HDT Bonetto Cinturini Rubber Reversible Diving Strap [Black, 20mm] Reversible Genuine Rubber Strap with one side in check pattern and reverse side in plain smooth finish. Stainless Steel Deployment Buckle with flip lock is included. Resistant to various elements and durable. High resistance to sweat, ozone, water and salt. Made by Rubber Strap manufacturer in Italy who supplies to many well known Swiss Watch Manufacturers.