... 17cm, 18cm, 19cm, 20cm; Weight: 13 grams; Material: 100% silicone strap, soft, comfortable, eco-friendly and non toxic to body; Movement ... 10 years experiences, such as the silicone bracelet, silicone watch, silicon wristband, silicone band, silicone keychain, silicone key holder / keyholder, ... USB Disk Flash band, silicone MP3/MP4 case, silicone strap, pvc key chain and so on… The attached photos are ...