Package Included: 1 x Abdominal wheel (not come with belt) 1 x Knee Mat Features: - Abdominal Wheel is best fitness device to get perfect abs sculpted in steel. - An abdominal roller wheel is better than sit-ups or crunches training your core and obliques. - 4-wheels design, stable and better support. - It is simple to use for all skills and fitness levels, from beginner to advanced pro. - It's a sturdy abdominal roller wheel and not flimsy like most other abdominal roller wheels. - The grip more match the shoulder, help poor posture. 4 wheels structure support up to 880 lbs. - 4 Wheels more stable, perfect support push up. - Good choice for Men, Women, and also Students. - Works for: Abdominals, Shoulders, Arms, Chest, Back, Core and Obliques. Specifications: Category: Power roller Color: Green Material: ABS plastics Size: 305x230x120 mm / 12"x9"x4.72" Mat size：160*345mm/6.3"*13.6" Wheel: Wear-proof solid wheel Handle: Foam Folding: No Load Bearing: 880 lbs Weight: 0.94 kg