1. Purpose: Tighten the waist/stretch the calf muscles/exercise the buttocks/shape and burn fat 2. All-round exercise without dead ends, fitness and abdomen, exercise core strength, protect joints 3. 360-degree universal silent wheels, smooth steering, silent and non-slip, no damage to the floor 4. Soft PVC wheels, no scratches on the floor, no traces 5. Super load-bearing capacity, can bear 150 kg weight 6. The triangle is more comfortable and stable, ergonomic 7. Material: PP+PVC 8. Dimensions: 27 x 7.5cm 9. Weight: 338 grams