RDX Neoprene Gym Weight Lifting Grips Crossfit Pull up Gymnastics Fitness Workout Hand Grip Pad RDX offers Most Advanced, Scientifically Developed 3mm neoprene grip No-Slip" Custom Engineered Material with a hook & loop closure Unprecedented ability to attach itself to dumbbells or weight lifting Adjustable hook and loop closure customizes fit around the wrist Sold in pair. One size fits all