1. Highquality materials for optimal strength and durability. The chest stretcher is made of highquality carbon steel springs that provide lasting elasticity to ensure that your muscles are deeply stimulated when using the device. Reinforced springs provide maximum strength and strength making it an ideal fitness equipment for strength. 2. Ergonomic design, comfortable and to use. The chest stretcher comes with nonslip ergonomic handles that ensure a firm and comfortable grip during exercise and reduce the risk of accidents or injuries during exercise. The design is ergonomically designed and the dimensions of the handle are perfectly adapted to the original shape of your hands. This feature ensures maximum comfort and support during sessions 3. Compact and lightweight, easy to carry and store. The chest stretcher is lightweight and compact, making it easy to take to the gym, outdoors or anywhere you want to exercise. Thanks to its compactness, it is easy to store at home, in a gym bag or even in a desk drawer to ensure it does not take up too much space during storage. The portability of the device allows you to use it anytime and anywhere.