Product material: canvas Compatibility: compatible for BIOCERAMIC Product weight: about 30g (1.05oz)11. Compatibility: Compatible for BIOCERAMIC , three?ring canvas straps in different colors make your watch more beautiful. 22. High quality material: Our watch strap is made of high?quality canvas material, the material is harmless to human skin, environmentally friendly, safe, and non?allergic. Waterproof, sweatproof, comfortable and soft. The strap is thickened, comfortable to wear and easy to use, giving your watch an elegant look for any occasion. The durable three?ring canvas strap is perfect for everyday wear. 33. Easy to put on and take off: Exquisite craftsmanship makes the strap easy to install and can be removed and installed from your watch without tools. At the same time, the exquisite craftsmanship makes the connection between the strap and the watch firm and firm, and the connection between the buckle and the size hole is also very firm. 44. Adjustable length: There are 8 holes to adjust the length, suitable for wrists from about 5.5 to 8.66 inches. A great smartwatch bracelet for you. 55. Package contents: 1x three ring canvas wristband.1 x Canvas Strap (Watch is not included)