... embossed,printing 4.standard size 5.welcome OEM/ODM custom colorful silicone wristbands with debossed logo 1.Material:100% environmental ... have o ring, sealing ring, rubber gasket, rubber pad, silicone tube, rubber strip, etc. TemperatureCommon: -60~100 degree centigrade ... Maqiao Industrial zone, Haining City, Zhejiang province, China Zip314419 custom colorful silicone wristbands with debossed logo