features the comfortable grip, silent design, stable force, convenient disassembly, safe bearing. And the wheel is suitable for family fitness exercise to keep you healthy. Features: The abdomen wheel is easy to assemble. The built-in thick steel provides an excellent load-bearing capacity. The ultra-wide wheels support enhanced balance and stability. The wheel is a non-slip wheel, which is strong and silent, and will not damage the wooden floor surface and carpet. The handle is made of sweat-absorbent sponge, soft and comfortable. Complimentary soft knee pad, convenient for fitness, without hurting the knee.