Rubber Strap Silicone 21mm Waterproof Watch Replacement Band Quick Release Rubber Watch Band Made with high-quality eco-silicone rubber, this strap has no unpleasant rubber odor and is a soft and comfortable masterpiece. The texture and feel are outstanding, combining flexibility and durability. The back is designed to prevent slipping, reducing discomfort from sweat. This product is completely waterproof, so it can be used in everyday life, as well as in marine sports such as swimming pools and the sea. Equipped with Quick Release (easy click) for easy replacement without tools. WOCCI silicone watch bands combine fashion, function, and performance. This watch band is applicable to traditional wristwatches and smartwatches that use 21mm spring bars. Please check the lug width of your watch dial before ordering. Soft black rubber strap with quick-release function and a durable stainless steel buckle. - Color: Black - Type: Rubber Strap - Features: Quick Release, Soft, Stainless Steel Buckle - Design: Different textures on the front and back Thank you for viewing.