Harbinger Big Grip No-Slip" Pro Lifting Straps will allow you to keep traction on grip surfaces. This product is made with DuraGripTM rubber that is interwoven in extra strength nylon. Harbinger Big Grip No-Slip" Pro Lifting Straps has strong stitching for more durability and has a long strap for a better wrap on the bar. Harbinger Big Grip No-Slip" Pro Lifting Straps is patent pending. If you need to clean Harbinger Big Grip No-Slip" Pro Lifting Straps after exercising, you just need to simply wipe the straps with a damp cloth.