Material: Nylon+ ABS

Feature: Waterproof, Moistureproof, Bally Flex, Durable 

Size (inner diameter): Adjustable

Colour: red, bule, green, yellow, orange,black 

Radio frequency: 125KHz/ 13.56MHz/ 915MHz

According to: 18000- 2/ ISO14443A/ ISO15696/ 18000-6B

Working temperature: -30°C~75°C

Logo: customize 4-color offset printing

Packing: 100pcs/polybag, 1000pcs/carton