RFID silicon wristband are made of silicone and be inserted with RFID chips inside.Flexible, waterproof silicone material makes it comfortable and durable for long lasting use and offers highest durability for most challenging activities. RFID Silicon wristbands can be personalized by full colour printing or long-lasting laser engraving, logo, a number or any graphic design.Sunrise can wristbands with MIFARE Ultralight, 1K / 4K EV1, DESFire, NTAG 213/215/216 and Low-Frequency Chips.