Multifunctional Arms Workout MachineEASY TO USE: Get the firm, fabulous arms at home that you've always wanted in just minutes a day! BUILD UP MUSCLES: This fun little workout tool will strengthen all muscle groups in your arms, perfect fitness equipment works for your biceps, triceps, shoulders and even your chest all at one time. DIFFERENT WEIGHT BANDS: Three interchangeable colored resistance exercise bands in different power levels, perfect for all fitness levels and age groups.