... custom SGS ,CE,ISO9000 approved 20 years experience silicone material usb ,silicone drive 1.Instruction :1)100% silicone grade material 2 ... )Shape : any type customed , animal ,cartoon ,bracelet ......3)USB : 1G,2G,4G,8G,16G4)easy for using and funny ... key chains. We also produce the key parts of telephone, calculator, electric toy computer, remote control and silicone parts. The above ...