• EASY TO USE : - Get the firm, fabulous arms at home - you've always wanted in just minutes a day! Customize Your Workout: 3 interchangeable resistance bands to create varing levels of resistance, which is suitable for different levels of trainers. • 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.Compact Design: Product size is 25 X 19 X 5cm, which folds for easy storage or travel, so that you can exercise yourself anytime, anywhere. dynamic resistance movement targets and tones hard to reach areas. • DIFFERENT WEIGHT BANDS : -Three interchangeable colored resistance exercise bands in different power levels, perfect for all fitness levels and age groups.Burn calories while you work your triceps, biceps, shoulders. - 3 interchangeable resistance bands, 15lb, 20lb and 25lb perfect for all fitness levels • FOLDING AND COMPACT DESIGN : - Conveniently sized for easy storing at home and office or travelling to anyplace to achieve continuous exercise. ? REPLACE GYM : - Good for people that doesn’t exercise often Yet want to keep fit.Package Includes: 1 wonder arm, 3 power resistance bands.