About this item Tightly looped wristband with bright colours, elastic, adjustable and comfortable to wear. Access wristbands are widely used in swimming pools, gyms, cooling rooms, access control, etc. Suitable for humid environments. The access control wristband is made of high quality silicone material, crack- and long-lasting. The access control wristbands are waterproof, -proof, shockproof and high temperature The RFID wristband has a stable and professional performance with a working frequency of 125KHz.