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