Max RPM Powerlifting Wrist Wraps - Titan Support Systems Its All About The RPM (Revolutions Per Meter) By infusing the stripes into a completely smooth and uniform surface area, we've eliminated distortion caused by folding, collapsing and pinching. The result is greater elasticity, a truer fit and more stored energy All lengths feature 2 inch wide military grade Aplix hook & loop that is 30% stronger than Velcro! Plus heavy duty 3/4 inch elastic thumb loops and a 6 month guarantee Sold in pairs only