Baiyu Chest Expander Adjustable Exercise Bands Pull Stretcher Resistance Bands 5 Tubes Strength Trainer Durable Rubber Gym Training Exercise Muscle Build Exercise Fitness Medical Rubber hose expander with removable bands to adjust tension & intensity Lightweight & easy to carry and exercise everywhere Targeted Conditioning of chest, arms, shoulders ,upper back, lats, wrist & grip strength. Extremely strong security clips and natural latex cords Reduces stress on wrists & forearms