This product is a chest expander, made of fast and durable spring steel material, safe and practical, and help you effectively exercise the muscles of the chest, shoulders and triceps. The simple design and usage make it easy to carry and store, which is muscle training indoors, exercise arms and keep healthy. Features -Color: As Shown -Material: Spring Steel -Size: About 55.00X11.00X2.00cm/21.61X4.32X0.79inch -It is made of spring steel material, durable and safe to use. -The well-designed handle is comfortable and non-skid, which can better help you to train. -This product is mainly used to strengthen the chest, arms and shoulders. The high and low pulls help expand the muscles of the upper back. -It has a simple exercise method and practical muscle-building effect. -Simple design and usage make it have a wide range of use, suitable for families, gyms and dormitories. Package list: 1 x Chest Expander