Material: natural latex + high-quality foam, high elasticity, strong toughness, not easy to break. Handle: foam material, wear-resistant, non-slip and easy to absorb sweat, long-term use without deformation, soft and not hurting hands. Multifunctional: Our tensioner can exercise arms, legs, chest, abdomen, buttocks, back muscles, and is a good rehabilitation aid for neck and shoulder exercises. Suitable for the crowd: office workers, hunchback teenagers, middle-aged and elderly people, etc. Suitable for the crowd: office workers, hunchback teenagers, middle-aged and elderly people, etc. Resistance Bands Chest Expander for Men Women Stretch Exercise Latex Tube Elastic Rope for Shoulder Chest Arm Back Training - IXMMIHI2