JINXIU Product Description Size: 65*11.5*2.5cm Color: as pictured Material: PP+chrome-plated spring steel wire Package Contents: 1* Tensioner 1. Dual-purpose resistance band: The spring exerciser includes two engineering plastic handles, which are ergonomically designed. The combination of grip and stretcher makes the movement more comprehensive. 2. Removable springs: The chest expander has five springs, which can be increased or decreased according to your exercise needs to find the most suitable exercise intensity. 3. Exquisite craftsmanship: The springs are carbon steel wires and are treated with fine chrome plating. The attachment points make them thicker so that we become more stable and durable when we use them. 4. Portable: The handle can be folded, and the spring exerciser is about 11.5 cm long after folding. Therefore, the product is thoughtfully designed, small in size, portable, and can be moved at any time. 5. FOR ALL TYPES: Suitable for adult men and women of all fitness levels; it allows almost everyone to build muscle, melt fat and get the perfect body.