"Durable Material: The chest expander is made of high-quality materials with long-lasting elasticity. These reinforced springs provide strength and long-lasting resistance, and will deeply stimulate your muscles as they compress when using the equipmentErgonomic and Comfortable: The chest expander spring exerciser has an ergonomic non-slip wooden handle that provides a comfortable grip. A quiet fitness equipment, you can exercise without disturbing others, and it is a good weightlifting fitness equipmentPerfect Upper Body Exerciser: The chest exerciser helps to strengthen the chest, arms, back, shoulders and the entire upper body. A great chest exerciser for home training. An ideal exercise training equipment for men, women, adults and beginnersRemovable Springs: The arm chest muscle developer is designed with 5 removable spring steel tubes, which are strong enough and will not break. The fitness spring tensioner provides maximum flexion for the chest, shoulders and armsExercise Anytime, Anywhere: The spring resistance chest training band is portable and lightweight, easy to carry, you can exercise at home, gym, camping, travel, office or other places anytime, anywhere"