product 1. Exercise shoulder, arm and back muscles to make the body healthy and strong, perfect for building strength in the upper body2.Ergonomically Designed Non-slip rubber handle provides you with a more comfortable grip. Perform curls with your biceps and forearms. Full resistance is provided all the way through unlike dumbells, giving you maximum resistance throughout the exercise3.Chest WorkoutExercise your chest by bending the arm power exerciser inwards, similar to pectoral flys, providing resistance through your entire motion. The arm power exerciser has a strong rebound, help you build the body figure4.Back and Shoulders WorkoutPut your back and back shoulders by squeezing the bar towards your middle back. Insist to take exercise, strong and handsome effect will be remarkable. Build up your forearm strength and wrist strength, if insist to use, the effect of bodybuilding is remarkable5.Perfect Fitness Exercise DeviceHigh quality Premium Materials And Portable for comfort workout at home, Office or Travel. Perfect for building upper body strength. Suitable for working on your wrists, forearm, chest, arms, shoulders and muscle toning, also fantastic festival gift idea for your partner or friends