product description 1.Small Size,,Convenient for everyone,exercise equipment for home workouts or used to Release Daily Stress and for Leisure Activities. 2.Adjustable Strength,Pull handle can be adjusted for different hand sizes. 3.Comfortable and Reliable,Protect you from injury while exercising. 4.Also a joy, Not only can you get exercise when you brush your mobile phone at home, but you can also let your arms get exercise and release your stress when you work in the office.