Feature:1. Designed specifically for POLAR A360 A370 smart watches;2. Food grade silicone, environmentally friendly, soft, comfortable to wear;3. Simple and generous;4. Classic nless steel buckle. Specifications:Main material: SiliconeNet weight: 21gStrap length: 240x21mm/9.45x0.83inColor: As picture shownApplicable Model: for POLAR A360 A370Quantity: 1 PC Note:Transition: 1cm=10mm=0.39inchPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes:1 x Watch strap