Features: Type: Made of premium-silicone, and comfortable to wear.Easy to resize by using.Easy to adjust the length to fit your wrist.Contracted design style, with you life contracted and not simple.The strap adopts a high-quality magnetic metal buckle, which is more convenient to wear. It is automatically magnetically attracted when it is folded back, and the wearing is completed in two seconds.Specifications: Material: MetalSize:Approx.5x5x1cm/1.96x1.96x0.39inchColor:Black/SilverFor Watch 5 20mmPackage Includes: 1x Folding Buckle Strap (This product does not include watch)note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.Thanks for your understandings.