Need a smaller credential than a full-size RFID card?
Stock SKU. Custom tooling from 2,000 pcs.
Standard; rush possible on request.
Stock samples via DHL / FedEx.
Use this keyfob or transponder when the credential needs to stay on keys, in pockets, or with everyday access routines. Confirm reader compatibility, shell style, numbering, and branding before production planning starts.
What buyers usually confirm first
swipe →Spec Check
Reader compatibility, shell style, numbering, and branding choices usually decide the right keyfob build.
| Product Name | RFID Silicone Keyfob |
| Housing Material | Medical-grade liquid silicone rubber (LSR) |
| Biocompatibility | FDA 21 CFR 177.2600, ISO 10993 |
| Dimensions | 42 x 30 x 5 mm (teardrop, custom shapes available) |
| Weight | 5-7 g |
| Available Colors | Black, red, blue, green, yellow, orange, pink, purple, white, gray + custom Pantone |
| Ingress Protection | IP68 (1.5 m submersion, 30+ min) |
| Operating Temperature | -40 deg C to +200 deg C |
| Autoclave Rating | 121 °C steam sterilization |
| Chemical Resistance | Pool chlorine (5 ppm free), saltwater, sunscreen (zinc + chemical), industrial detergents, common disinfectants |
| UV Stability | ASTM G154 tested, 2,000+ hour equivalent outdoor exposure |
| Flex-Fatigue | 100,000+ cycles without cracking |
| Operating Frequency | 125KHz (LF), 13.56MHz (HF), 860-960MHz (UHF) |
| Compliance | FDA 21 CFR 177.2600 (food contact), ISO 10993 (biocompatibility), REACH, RoHS 3 |
| LF Chip Options | EM4200, TK4100, EM4305, T5577, Hitag2 |
| HF Chip Options | MIFARE Classic 1K/4K, Plus EV2, Ultralight EV1/C/Nano, DESFire EV1/EV2/EV3 (2K/4K/8K), NTAG213/215/216, NTAG424 DNA, ICODE SLIX |
| UHF Chip Options | NXP UCODE 8/9 |
| Cryptography | AES-128 (DESFire EV3, NTAG424 DNA), 3DES (Ultralight C), Crypto-1 (MIFARE Classic legacy), open (NTAG, EM) |
| Logo Methods | Embossed molding (highest durability), debossed molding (premium finish), silk-screen printing (multi-color / 3D) |
| Carry Options | Elongated lanyard slot + rounded keyring hole (both molded into same tool) |
| Stock Shapes | KF301 teardrop (35x25x5 mm), KF302 pentagon (38x30x5 mm), circle (Ø32 mm), square-rounded (30x30 mm) |
| Lifecycle | 5-8 year service life in normal use; 200+ day waterpark season validated |
| MOQ | 500 pieces (stock); 5,000 pieces (custom Pantone); 10,000 pieces (custom OEM mold) |
| Lead Time | 15-20 business days including logo tooling |
Shortlist Logic
These points usually matter when convenience, system match, and everyday durability all matter at once.
Use Cases
These are the access and membership workflows where a compact credential often beats a full-size card.
guest and season-pass holder credentials that survive 200+ day waterpark season
gym members' primary credential for pool, locker, and equipment access with sauna tolerance
autoclavable per-shift credential resistant to disinfectants and clinical cleaning protocols
non-conductive, impact-safe credential compatible with electrical and wet work environments
saltwater-tolerant credentials for yacht, cruise, and commercial marine crew management systems
premium reusable credential for multi-day events with ticketing and cashless payment
Silicone Keyfob vs ABS Keyfob — How To Choose
Same chip family, same reader compatibility, same keyring geometry. The meaningful difference is material — silicone for wet/pool/chemical environments at 2-3× the unit cost of standard ABS for typical office/apartment access. Pick by where the fob will live, not by what looks nicer.
Option A IP68, autoclave-compatible, chemical-resistant
Best for
Option B IP65, 9 stock colors, 15+ mold shapes
Best for
Quick decision tip — If the fob will be submerged in water, exposed to chemicals, or autoclave-sterilized, silicone (Option A) is worth the 40-60% unit cost premium — ABS would fail within weeks. For typical dry-environment apartment / office / fitness / parking deployment, ABS (Option B) is the volume-economy default that 70% of B2B keyfob programs specify.
Yes — if your access program runs in a waterpark, swimming pool, fitness club with pool / sauna, hospital with clinical disinfection, marine / yacht / cruise vessel, construction / outdoor utility field service, or festival / event outdoor wear where standard ABS keyfobs crack within 6 months from chlorine / saltwater / impact exposure. Waterpark, pool, marine, and outdoor recreation operators routinely see hard-plastic ABS fobs fail over a season of chlorine, sun, and impact exposure; medical-grade LSR’s chemical inertness and flex-fatigue resistance is what removes that failure cycle.
Pick a different material if you need lowest cost at non-wet environments (use ABS), premium corporate / hotel gift feel (use leather), transparent chip-visible promo (use epoxy), 134°C autoclave + acid / base chemical resistance beyond pool chlorine (use PPS), or slim wallet-fit 1.2 mm (use FR4). Pick silicone when IP68 continuous immersion, -40 to +200°C range, FDA 21 CFR 177.2600 food / skin contact compliance, or autoclave at 121°C matter.
Comparison across the 6 keyfob material options in the The keyfob lineup. Prices indicative at MOQ 5,000 pieces with EM4305 LF chip baseline.
| Material | IP / temp range | Special property | Best fit | Unit price |
|---|---|---|---|---|
| The ABS keyfob (default) | IP65, -20 to +60°C | Lowest cost + 9 stock colors | Apartment, office, fitness, parking, school | $0.45 – 0.85 |
| The silicone keyfob (this product) | IP68 (1.5 m), -40 to +200°C | Waterproof + autoclave + FDA medical-grade | Waterpark, pool, hospital, marine, construction, outdoor event | $0.85 – 1.45 |
| The leather keyfob | Splash, -10 to +60°C | Premium tactile + gold / silver hot-stamp | Hotel-grade, corporate exec gift, luxury brand | $1.85 – 4.50 |
| The epoxy keyfob | IP66, -25 to +80°C | Transparent visible chip + UV-stable | Tech promo, hackerspace, university, conference | $0.95 – 1.65 |
| The PPS keyfob | IP68 + chemical, -40 to +200°C | Autoclave 134°C + acid / solvent / base | Chemical plant, industrial laundry | $1.45 – 2.75 |
| The FR4 keyfob | IP67, -30 to +100°C | Slim 1.2 mm wallet-fit + UL94 V-0 flame retardant | Data center, defense, telecom, cold chain | $0.75 – 1.45 |
Verdict: silicone wins when the workflow involves water exposure (pool, shower, saltwater, cleaning) combined with daily wear. PPS matches temperature range but costs 60-90% more — specify PPS only if chemical resistance beyond pool chlorine is required (acids, bases, solvents).
Waterparks issue silicone keyfobs or wristbands for season passes because chlorine, sun, and water destroy hard-plastic credentials over a season. Color tiers (adult, child, premium, day pass, staff) double as visual classification for staff at slides and gates.
Operators typically validate chlorine and sunscreen exposure on samples from their own park environment before locking a multi-season program.
Verified compatibility across LF / HF / UHF chips, venue management platforms, cashless payment systems, and silicone-specific logo / personalization methods.
| Category | Supported | Notes |
|---|---|---|
| LF chips (125KHz) | EM4200, TK4100, T5577 (multi-protocol), Hitag 2 | For legacy access reader fleet compatibility in waterparks / pools with older infrastructure |
| HF / NFC chips (13.56MHz) | NXP MIFARE Classic 1K / 4K, Plus EV2, Ultralight EV1 / C, DESFire EV1 / EV2 / EV3 (2K / 4K / 8K), NTAG213 / 215 / 216, ICODE SLIX | DESFire EV3 for secure cashless payment; NTAG213 for guest NFC tap |
| UHF chips (860-960MHz) | NXP UCODE 8 / 9 | Long-range season-pass gate entry (3-5 m) at high-throughput parks |
| Waterpark / theme park systems | accesso ShoWare, Intellitix, Tappit, Gateway Ticketing, Galaxy, Vivaticket | Cashless + gate access integration via NFC tap; stored-value via DESFire EV3 recommended |
| Fitness / pool club platforms | ABC Fitness Solutions, MindBody, ClubReady, Technogym MyWellness, Precor equipment auth | Gym + pool + sauna combined access with waterproof fob survives locker-room conditions |
| Hospital / medical systems | Epic MyChart, Cerner (Oracle Health), Meditech staff-ID; Cardinal Health + BD clinical workflows | FDA 21 CFR 177.2600 compliance + autoclave 121°C rating for clinical sterilization |
| Marine / cruise systems | Royal Caribbean WOW Band workflow compatible, Disney MagicBand-equivalent cruise deployments, yacht crew management | Saltwater corrosion resistance + UV stability validated for marine exposure |
| Logo methods — embossed molding | Raised integral logo molded into silicone body | Highest durability; same material as shell; best for single-color brand marks |
| Logo methods — debossed molding | Recessed logo 0.5-1.0 mm below surface | Preserves smooth outer finish; preferred for premium corporate programs |
| Logo methods — silkscreen | Full-color UV-cured ink printed on surface | Complex multi-color / photographic logos; 2-4 year durability in normal use |
| Shape variants | KF301 teardrop (35 x 25 x 5 mm), KF302 pentagon (38 x 30 x 5 mm), circle, square-rounded, custom OEM | Custom OEM molds $3,500-8,500 NRE + 4-6 week tooling for 10,000+ MOQ |
How much does the The silicone keyfob cost at 5K pcs? Stock KF301 teardrop + EM4305 LF chip + black + embossed single-color logo: $0.95-1.25 per unit at MOQ 5,000. Volume brackets: MOQ 500 = $1.75-2.45; MOQ 5,000 = $0.95-1.25 (base); MOQ 25,000 = $0.75-0.95; MOQ 100,000+ = $0.58-0.78.
Chip upgrade? EM4305 (base): included. EM4200 read-only: -$0.05-0.10. T5577: +$0.10-0.18. MIFARE Classic 1K: +$0.15-0.28. DESFire EV3 2K (cashless payment): +$0.75-1.15. NTAG213: +$0.05-0.10. NTAG424 DNA: +$0.45-0.65. UHF UCODE 9 (long-range gate): +$0.08-0.15.
Logo method up-charge? Embossed molding (base, highest durability): included. Debossed molding (premium finish): +$0.05-0.12. Silkscreen printing (single-color): +$0.04-0.10. Silkscreen multi-color (2D): +$0.10-0.20. Silkscreen 3D photographic: +$0.15-0.30. Custom Pantone color matching: +$0.08-0.15 + NRE $250-500.
Shape and NRE? KF301 or KF302 stock shapes: no premium. Custom OEM mold (10,000+ MOQ): NRE $3,500-8,500 (silicone compression molding tooling is more expensive than ABS injection) + per-unit unchanged after amortization.
How should I compare against ABS at waterparks? Silicone costs more per fob, but ABS replacement rates climb fast in chlorinated environments — and every cracked credential is also a guest-service interruption. Compare effective annualized cost at your real failure rates, and weigh the guest-experience cost of mid-season replacements alongside the material line.
Aquatic and hygiene-sensitive venues pay the silicone premium because hard-plastic credentials fail predictably under chlorine, saltwater, sunscreen, and impact, and every failed credential is a guest-service interruption, not just a replacement cost. Medical-grade silicone adds autoclave tolerance and hypoallergenic skin contact for hospital and food-service programs.
Every silicone keyfob undergoes IP68 verification: 30-minute continuous submersion at 1.5 m depth in fresh water, followed by NFC read test within 5 seconds of removal. Additional soap-and-water submersion testing confirms performance in real-world cleaning scenarios the chip continues to function normally even when the fob is actively submerged. UV stability testing per ASTM G154 confirms color fastness and silicone integrity through 2,000+ hours of xenon-arc lamp exposure, equivalent to 2+ years of outdoor exposure. The warrants 12 months of waterproof performance even in chlorinated pool water at up to 5 ppm free chlorine.
Embossed molding creates a raised logo integral to the silicone body during injection the highest durability option, with the logo surviving the full life of the fob since it is the same silicone material as the shell. Embossed logos work best for single-color or monochromatic brand marks with simple geometry. Debossed molding recesses the logo 0.5-1.0 mm below the fob surface, preserving the smooth outer finish while adding subtle brand presence. This is the preferred option for premium corporate programs where surface elegance matters. Silk-screen printing applies 2D or 3D full-color artwork to the surface with UV-cured ink. Complex multi-color logos, photo-realistic imagery, and detailed artwork require this method. Print durability in normal use is 2-4 years; for hospital and waterpark use, embossed or debossed molding is preferred for longer life.
Silicone keyfobs are supplied with two carry-hole geometries. The elongated slot hole accepts an elastic lanyard cord for neck carry preferred for multi-day events, waterparks, and staff credentials where the fob is worn continuously. The rounded hole mounts a split ring and metal keyring for keychain carry preferred for staff on duty, members with existing key rings, and access control replacements for PVC cards. Both carry styles are molded from the same injection tool at no additional tooling cost; only the carry-attachment accessory (lanyard cord vs. split ring) changes at packaging.
The KF301 silicone fob is the classic teardrop at 35 x 25 x 5 mm the most common format stocked for fast-turnaround access control projects. The KF302 variant is a house-shape (pentagon) at 38 x 30 x 5 mm with a flat top keyring hole, preferred for branded event credentials where the unusual silhouette differentiates the fob visually. Other silicone shapes available on customer order include circle (32 mm), square-rounded (30 x 30 mm), and custom OEM molds for 10,000-piece minimum orders with 4-6 week tooling lead time. The engineering adapts antenna geometry to each shape to preserve the 1-5 cm read range at standard NFC readers.
The silicone surface has a characteristic soft-touch matte finish that resists fingerprint smudges and gives the fob a premium tactile feel compared to glossy ABS. The material is slightly grippy stays in hand without slipping during wet pool and shower use yet releases cleanly from pocket lint and bag fabric. Micro-texture dimples in the central logo area provide a visual cue for the NFC read zone, helping first-time users locate the tap target on a reader. The rounded perimeter edges are comfortable against skin for continuous lanyard wear, with no pressure points over multi-hour use.
Supplier Fit
Once the format is right, most teams still need confidence in manufacturing control, sample support, and repeat-order reliability.
Quality-focused manufacturing and sample support for custom RFID projects.
RFID manufacturing experience across cards, tags, labels, wristbands and readers.
Test product compatibility before bulk purchasing and customization decisions.
Next Reading
These guides help teams compare shell styles, chip fit, and installed reader compatibility before they request keyfob samples.
Comparison Pages
These head-to-head pages help buyers compare chip, frequency, material or format decisions before they lock a sample plan for this product.
Commercial Fit
Most inquiry-ready visitors want to know whether this product matches their workflow, region and approval stage. These cues help them move faster without leaving the product page.
Usually replacing or expanding apartment, office and parking credentials that must match installed readers.
Often need broad shell options, dependable repeat supply and clear compatibility checkpoints.
Typically care about portability, branding and compact credentials that are easy for end users to keep.
Quote Checklist
Market Notes
Apartment access, gyms and parking systems often start with compatibility matching and sample verification.
Corporate and residential upgrades often compare stronger chip options alongside shell durability and print quality.
Hotels, residential compounds and visitor systems often want branded credentials with dependable daily-use performance.
Nearby Options
Small changes in shell style, material, and compatibility can change which credential works best in the field.
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Compare this option if shell style, durability, or system fit may point to a different credential.
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Compare this option if shell style, durability, or system fit may point to a different credential.
Compare this optionBefore You Order
Five short reads on the procurement-side topics every B2B RFID buyer wants answered before signing a quote — MOQ thresholds, lead time reality, pricing transparency, sample policy, and how to audit a Chinese factory before your first order.
Buyer Questions
These FAQs cover the points that usually come up between a first shortlist and a real sample or quote request.
For RFID Silicone Keyfob, the standard MOQ starts at 500 pieces on stock SKUs. Custom shapes, molds or non-standard materials typically move MOQ to 2,000–5,000 pieces to cover tooling setup. Exact MOQ and unit pricing are quoted per project once chip, customization and packaging are confirmed.
Yes. Stock rfid keyfob samples of RFID Silicone Keyfob are typically free; we only ask buyers to cover DHL/FedEx express shipping. Samples ship in 1–3 business days after your order is confirmed and arrive in 2–5 days to most countries. Custom samples (new chip, new size, printed artwork) usually take 3–7 additional days.
Standard RFID Silicone Keyfob orders ship in 7–15 business days after PO confirmation and artwork approval. Large runs (>100k units) or orders with complex encoding / custom molds may take 15–25 business days. Rush production is available on request for time-sensitive launches; confirm MOQ and artwork early to protect the timeline.
Yes. RFID Silicone Keyfob supports end-to-end customization: full-color CMYK / silk-screen / UV printing, laser engraving, serial numbering, custom chip encoding (UID write, NDEF, sector locking), custom shape / size (subject to tooling MOQ), and packaging. Share your artwork, chip requirement and quantity and we will return a spec sheet + price within 24 hours.
Compatibility depends on the frequency band (LF 125 kHz / HF 13.56 MHz / UHF 860–960 MHz) and chip family used by your reader or installed system. Send a photo of your current card / reader model and we will recommend the matching chip + test a sample before bulk order.
RFIDAK operates under ISO 9001:2015 (Quality Management) and ISO 14001 (Environmental Management), audited by SGS. RFID Silicone Keyfob is subject to incoming material inspection, in-process QC at every lamination / bonding / encoding step, and 100% electrical performance testing before shipment. Products meet CE, FCC, RoHS and REACH as applicable by market. Full test reports are available on request for buyer audits.
Yes. RFID Silicone Keyfob can ship with UID range assignment, NDEF URL encoding (for NFC), sector-locked user data, serial numbering, and CMYK / silk-screen / UV printing of your artwork. Provide an AI/PDF artwork file at 300 dpi with 3 mm bleed and a chip-encoding spec; we return a digital proof for approval before production.
RFIDAK ships RFID Silicone Keyfob via DHL / FedEx / UPS (door-to-door, 3–5 days to most countries), air cargo (5–7 days for heavier orders), or sea freight (20–35 days for bulk over 500 kg). Standard Incoterms are EXW, FOB Shenzhen and DDP; choose based on customs clearance preferences. Commercial invoice, packing list and CoC / MSDS are included automatically.
For repeat buyers, RFIDAK locks tooling, artwork and chip encoding on file so subsequent POs ship faster — typically 5–10 business days for stock chip types at previously-run quantities. Price is adjusted transparently per chip market rate and FX movement; we flag any chip shortage (e.g., DESFire EV3) before quotation so the project plan stays realistic.
Key RFID Silicone Keyfob specs: frequency 125 kHz (LF), 13.56 MHz (HF), 860-960 MHz (UHF); dimensions 42 x 30 x 5 mm (teardrop, custom shapes available); substrate Medical-grade liquid silicone rubber (LSR). A full technical datasheet including read range, chip memory map, IP / temperature rating and compliance certificates is available on request; attach your reader model and target environment so we can confirm suitability before quoting.
Try before you buy. Request free samples of any RFID product from our 50+ SKU catalog. Samples shipped via DHL/FedEx within 1-3 business days worldwide.
Not ready to chat? Just drop your email and we'll send the RFIDAK product catalog (PDF).
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