... standard size 5.welcome OEM/ODM colorful silicone wristband for children's day 1.Material:100% environmental silicone rubber.2.Style: printed, embossed, ... have o ring, sealing ring, rubber gasket, rubber pad, silicone tube, rubber strip, etc. TemperatureCommon: -60~100 degree centigrade ... Industrial zone, Haining City, Zhejiang province, China Zip314419 colorful silicone wristband for children's day