Product Size: 10CM*5CM, inner diameter 24mm Material: Silicone Package content: 2*dumbbell grips 1.FUNCTION:Our dumbbell grip strength your strong forearm, upper arm, and the entire upper body, to prevent muscle imbalance and injury. Barbell Grips help you sculpt your muscle mass and enhance your strength by increasing muscle stimulation.Bar grips work by wrapping around the weights (barbells, dumbbells, chin-up bars) increasing the diameter.the bigger diameter forces your arms to grow more. 2.Standard sizeOur thick bar grips Standard size fits virtually most barbells, Suitable for 25mm 28mm 30mm diameter gripper. 3.FEATURESOur dumbbell grips Reduce joint pain by shifting the stress and relieves stress and pressure on wrists, hands, and fingers. Causes much greater muscle activation in the arms which leads to incredible size and strength gains. Power through powerlifting, weightlifting or training across a variety of exercises, lifts and bars, including the barbell, dumbbell and kettlebell. 4.USED BY TOP BODYBUILDERSOur barbell grips are used by many: players,bodybuilders,fighters ,Special Forces soldiers.Using a thicker diameter bar causes much greater muscle activation in the arms which leads to incredible size and strength gains.Our dumbbell grips relieves negative fibrous muscle tension so you can safely push through. 5.PREMIUM-GRADE MATERIALS Our dumbbell grips adapters are crafted with skin safe silicone thats soft on hands and outlasts even the heaviest weights and turning each bar into a true muscle builder.