Space-saving, lightweight, especially suitable for people who always sitting use. Nylon material from Japan.foldable,portable ,can save space when folding. With anti-slip pedal. In case of emergency, you can step on the pedal to ensure safety. The whole family can use it.no matter the address .no matter the times,no matter bad weather,all is ok for you to use the tool. This tool will build your beautiful legs. This tool will help kick-start your fitness journey by helping users increase blood circulation, improve bone density, strengthen muscles, improve balance, improve mood, and improve coordination. It is quiet when running and will not disturb the family and neighbors,will not disturb your colleague when you are working in the office. U shape frame to keep the balance. 7 different colors you can choose. Especially fit for old and your woman who always sitting.