- Band Width: 20mm Thickness: 2.5mm Band Length: 116mm/80mm(Hole side/Buckle side excluding Buckle) - You can confirm your size by measuring your swatch as shown on the left side of the picture. strap - Made of nonallergenic waterproof silicone rubber. with anti-skid lines on the back. Lightweight sturdy soft and flexible - ideal for those with an active lifestyle. - With nonallergenic silver plated stainless steel buckle more durable than other's plastic buckle. International products have separate terms are sold from abroad and may differ from local products including fit age ratings and language of product labeling or instructions.