Description: Black and rubber replacement watch band strap loop, made of silicone , a soft silicone like rubber. It is flexible, sturdy and easy to get on the wristband. Just stretched/slipped it over the buckle. Only take one second to replace , much easier to put on the watch by holding the band in place. Take a ruler and measure your watch band width in mm, then add 1mm. Following that method, order the perfect size. It fit for watch, watch phone, four types of size, meeting all your demands. Besides, it can be used as bracelet when doing sport, training, and more. Specification: Material: silicone Size Chart: Width: approx 10mm Package Includes: 10pcs silicone watch strap Note: All dimensions are measured by hand, there may be small deviations. Color may vary slightly due to the color setting of each individual monitor. Thanks for your understanding. Please enjoy your happy shopping time!