7 gears are adjustable: 1-2 gears are suitable for children or beginners, 2-4 gears are suitable for middle-aged and elderly people and people with a little exercise foundation, 4-6 gears are suitable for fitness people, and 7 gears are suitable for fitness experts and professional fitness people. Anti-slip design: There is a horizontal pattern on the stretcher, which has an anti-slip effect and can protect the heel and calf muscles from injury. Material: The stretcher is made of ABS material, easy to clean, no deformation, no shaking. Multiple methods of use: You can stand on the stretcher or sit on a chair, choose a suitable position and relax your muscles. Portable: The stretcher is light and handy, very suitable for home, office, travel and indoor and outdoor sports use, foldable and very convenient to carry. Colour Name: Blue 1. 7 gears are adjustable: 1-2 gears are suitable for children or beginners, 2-4 gears are suitable for middle-aged and elderly people and people with a little exercise foundation, 4-6 gears are suitable for fitness people, and 7 gears are suitable for fitness experts and professional fitness people. 2. Anti-slip design: There is a horizontal pattern on the stretcher, which has an anti-slip effect and can protect the heel and calf muscles from injury. 3. Material: Made of ABS material, easy to clean, no deformation, no shaking. 4. Multiple methods of use: You can stand on the stretcher or sit on a chair, choose a suitable position and relax your muscles. 5. Portable: The stretcher is light and handy, very suitable for home, office, travel and indoor and outdoor sports use, foldable and very convenient to carry. Specifications: Product name: Stretcher Material: ABS Size: About 30*25*8cm/11.81*9.84*3.15inch(L*W*H) Package Includes: 1Pc * Stretcher