Highly distinctive deep cut tyre tread pattern. High quality 'soft touch' silicon rubber. Extremely flexible and very strong, you're likely to get bored with this strap long before you wear it out ! Fitted with a nickel-free stainless steel buckle. Non tapering design (same with throughout its length) 100% waterproof and highly resistant to chemical degradation, ie. oil, detergents and other substances that would destroy a leather watch strap.