Harbinger Big Grip No-Slip Padded Weight Lifting StrapsNeotek Wrist Pad cushions the wrist during heavy lifting Strap is made from heavy duty nylon and Dura-Grip rubber for added strength The Dura-Grip rubber strips grab the bar for a "no-slip" grip when lifting When using the strap, rubber strip side must always face the bar. 21.5" extended length..