Material: High Quality Cow Hide Belting Leather. (Strong as Belt) 5 mm thick leather. Thick Padding for Comfortable Wear and with Suede Leather so the Hands Wont Slip. Cuff Size: Cuffs are adjustable from 06 inches to 09 inches. Height is 8 inches 5 mm thick Leather. Heavy “D” ring on each cuff. Heavy Lock-Able buckles designed for suitable fitting. Heavy Steel Rivets for Durability. Weight: 500 grams with padlocks.