Neoprene, Cotton Imported 21'' EXTENDED LENGTH INCHES STRONG WRAP: Increased 21 inches length of the premium lifting straps, you will get 1-2 circles around the bar, which offers you strong grips and bring your workout to the next level. The 1.4 inches width of weight lifting wrist straps is good enough to increase contact on the contact surface, provide you non-slip protection. The 8.2 inches padding can prevent the wrist straps from cutting into your wrists when you lift heavy. STRENGTHEN…