Multi-function 5 rubber tubes chest expander

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.