Chest Expander Chest Fitness - Adjustable 5-string muscle training tool for shoulder, chest and arm muscles. Adjustable chest expander 5 latex hoses, all individually detachable, the number of latex hoses can be increased or decreased according to the resistance required by the individual, the adjustable tension range is: 18 lbs - 90 lbs. The handle is made of high-quality non-slip plastic to prevent your hands from falling off the chest trainer. Curved design for a more comfortable grip. 5 thick environmentally friendly latex tubes for long-lasting tension. Comfortable grip, strong sweat absorption performance, increased friction, and improved safety. Exercise your pectoral muscles, latissimus dorsi, shoulders, triceps and other muscles, lightweight, easy to transport and store. Suitable for home or office exercise, keep you in shape anytime, anywhere. Suitable for all types of people: suitable for adult men and women of all fitness levels allows almost anyone to build muscle, melt fat and achieve a perfect body.