Description Specifications:Reduce joint damage: a more natural grip position.New muscle stimulation: more range of motion.More functional training: need more physical tension.Injury prevention-the best grip for joints is 90 degree position and swivel. Functional training-more dynamic exercise helps develop more stability and physical tension, these are the basic requirements for all types of strength training. Item Name: Gym Training GripsMaterial: Nylon, TPELatex Tube Tension: Blue: 20 Pounds, Black: 40 Pounds(Only Type 2 Has Latex Tube)Features: Durable, Easy to Use, Fitness AccessoriesNotes: Due to the light and screen setting difference, the item"s color may be slightly different from the pictures. Type 1 Package Includes:2 x Grips1 x Storage Bag Type 2 Package Includes:2 x Grips 2 x Latex Tube1 x Storage Bag. Please carefully confirm your size, name &number and shipping address before placing the order, thus to assure the delivery efficiency and avoid unnecessary trouble About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 6-8 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 14561 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.