Needs sitting and safe one-two stepper

Manufacturer Part Number: "-" Size and Weight Weight: Approx. 330g comment Eliminate lack of exercise by exercising while doing other things! While watching TV or working! Introducing a stepper that allows you to exercise while sitting down without putting strain on your knees! The rebound force of the built-in "spring" stimulates the leg muscles, allowing you to train them efficiently! By simply turning the stepper from front to back and stepping on it, you can switch to exercising the muscles you want to train. Materials and raw materials Material ○Main fabric: 100% polyester Bottom fabric: 100% polyester (polyurethane resin coating) ○Inner material: polyethylene resin, polyurethane resin, iron standard 1 unit Standard details Size (approx.): Width 27.0 x Depth 25.5 x Height 15.5 cm Made in China