... size: 38mm, width: 18mm (with clasp, you can adjust the wrist strap size when felt comfortable);Weight:41gMaterial:100% PU rubber ... strap, soft, comfortable, eco-friendly and non toxic to body;Movement: ... , silicone USB Disk Flash band, silicone MP3/MP4 case, silicone strap, pvc key chain and so on… The following are some ...