Donut Silicone Wristband

Material: silicone Feature: Waterproof, Moistureproof, Bally Flex, Durable Size (inner diameter): 61/67mm Colour: red, pink, bule, green, yellow, orange, white, black, purple or pantone color Radio frequency: 125KHz/ 13.56MHz/ 915MHz According to: 18000- 2/ ISO14443A/ ISO15696/ 18000-6B Working temperature: -30°C~220°C Logo: customize Packing: 100pcs/polybag, 1000pcs/carton http://www.heroncore.com