Product DescriptionSize: 65*11 5*2 5cmColor: black and redMaterial: PP+chrome-plated spring steel wirePackage content: 1* tensioner1 DUAL PURPOSE RESISTANCE BANDS: The spring exerciser include two engineering plastic handles, according with ergonomic design The combination of grip and stretcher makes the exercise more comprehensive 2 REMOVABLE SPRING: There are five springs in the chest expander , which can be increased or decreased according to our own exercise needs to find the most suitable workout intensity 3 ELABORATE CRAFTMANSHIP: The spring is carbon steel wire and is delicately treated with chrome The connecting spot make them thicker so that when we using, it become more stable and durable 4 PORTABLE: The handle is foldable, and the spring exerciser is approximately 11 5cm long after folding Therefore, product intimate design, small size , portable, ready to exercise 5 Suitable for all types of people: Perfect for adult men and women of all fitness levels; allows almost everyone to build muscle, melt fat and get a perfect figure