HIRSCH PURE Premium Waterproof Caoutchouc with Quick Release Pins * HIRSCH Proprietary Caoutchouc* Waterproof, resilient and dimensionally stable* Tear-proof and resistant to chemicals, UV light and extreme temperatures* Animal-Free / Vegan* Flat design with concave profile for optimum breathing* Integrated loop keeper and square functional holes* Fitted with HIRSCH Quick-Release System (speed pins)* Expressive stainless steel buckle, in HIRSCH Catwalk Design* SIZES: 20/18mm, 22/20mm* LENGTH: Re Flat Design, Waterproof Watch, Watch Strap, Watch Bands, Buckle, Rubber, Quick Release, Waterproof, Band