Product Description: 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) u0026 increasing the diameter.the bigger diameter forces your arms to grow more. 2. Standard size: Our thick bar grips Standard size fits virtually most barbells, Suitable for 25mm 28mm 30mm diameter gripper. 3. FEATURES: Our 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 BODYBUILDERS: Our 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.Hopes you to be satisfied with every purchase. About Shipping: All items will be shipped within 2 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. Any questions, please feel free to contact us. During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.