train your upper chest to widen your chest and shoulders to enhance your upper beauty.
- chest expander is made for long lasting use and durability.
- it is targeted to train chest, arms and shoulders.
- add or remove rubber tubes as per your needs.
- 5 tubes will have lowest elasticity and work out with 1 tube will have highest elasticity.
- good elasticity can support strong stretch. extremely strong security clips and natural latex cords.