strength training set conforms to most people's use:Arm resistance value45LB, Leg resistance value:55LB, Belt size applicable range30 - 40 LB. resistance band material: the use of natural Malaysian latex material, nylon fabric and ABS made of soft latex material, tough, strong, tight protective cover, anti-oxidation, anti-tension break. Uses: training explosive power, exercise lumbar abs, thigh muscles, calf muscles, flounder muscles, using different training methods to achieve the goal of weight loss and muscle gain, suitable for indoor and outdoor training anytime, anywhere. Multifunctional boxing bouncing resistance rope: ergonomic design, beautiful shape, simple disassembly, easy to carry, light and strong, safe to use. AccessoriesLeg resistance ropes X 3, Arm resistance ropes X 2, ankle straps X 2, Wrist straps X 2, belt X 1, Carry bag X 1, Instruction manual X 1, If you encounter any problems in the process of use, please feel free to contact us.