Our Tropic Rally Rubber Quick Release Watch bands are one of our newest and coolest designs. While very stylish, also durable, and comfortable. Made with Real Authentic Rubber, not silicone. With being 100% waterproof this rally rubber is perfect for diving, exercising or everyday use. 2.4 to 4mm in thickness. Multiple buckle options to choose from. Length 130/ 80mm. Quick Release pins built in.