Product Name: Yoga resistance eight-character chest expanderMaterial: foam, latex (TPE + NBR)Specifications: 40cm in length and 15cm in width (before pulling)Product features: Safety and environmental protection, super tensile strength, high quality and durable, easy to carry, foam lockColor: black, blue, pink, red, green, yellow, dark blueMaterial: PVC plastic, foam filler and steelWheel diameter: about 16 cmSpecial function: 1 caster with knee pads, anti-scratchActivities: fitness, gym and training, abdominal trainingYoga ropeMaterial: LatexFlexible assembly, portable design, travel, packaging, and exercise anytime, anywhere.Exercise arms, shoulders, chest, back, legs, etc.Material: Latex1. Can effectively improve muscle strength, physical activity and flexibility.2. The size of the rubber band determines the strength of the muscle.3. Natural latex, non-toxic and tasteless, so as not to irritate the skin, good elasticity, good toughness, strong and durable4. Different colors have different resistance levels.5. The resistance band group can be easily transported to any place. At home, at the gym or while travelingrope skippingPackage includes: Yoga resistance eight-character chest expanderPrecautions:Due to the display and the light, there is a slight color difference, mainly in kind.Due to different measurement methods, there is an error of 1-2cm, please understand