Watch Band Silicone Rubber&nbsp;Black Strap Waterproof Stainless Buckle 18 millimeters 18mm Silicone Rubber Watch Band Black with Stainless Steel Buckle Silicon Rubber Watch Strap is Soft, Flexible and Comfortable Waterproof Replacement Strap is Ideal for Divers or Sport watches Band Length: Buckle Side: 3 1/2" Including Buckle and Hole Side: 4 3/4" Band Thickness 5mm Stainless Steel Spring Bars Included