Fitness Sit Up Assist Device Fitness Equipment Yoga Roll Up Assist Device Multifunctional Abdominal Fitness Device Features: material: This material uses stainless steel and sponge to you from bending when applying. At the same time, our sponge makes it less likely for you to lose your hands during training, so you can use it better. Double bar double suction: This product uses two large suction cup bases because the large suction cups have a larger area and safer. At the same time, it makes adsorption, slip more stable, and increases strength, making your exercise more convenient. 3 height adjustment: Set three heights. You can adjust to a height that suits you, or gradually exercise, which can effectively avoid the problem of using the same height for a long time without achieving training results. Here, you don't have to worry at all. Ergonomic design: Fitness equipment features biomechanical optimized heel grooves that firmly support your feet, enhance strength distribution and, thereby maximizing sit up efficiency. Suitable for various floors: Sit up fitness equipment can be safely installed on surfaces such as tiles, hardwood,, etc., without scratching or damaging the floor. Product Description: 1×Abdominal 【Sturdy Dual Material】Stainless steel frame prevents bending, paired with anti-slip sponge grips for secure hand positioning during workouts. 【Double Suction Stability】Two large suction cups maximize floor contact area for slip-free stability on tiles, hardwood, and other surfaces. 【Progressive Height Training】Three adjustable heights avoid plateauing by allowing gradual intensity increases for sustained results. 【Ergonomic Efficiency】Biomechanically optimized heel grooves distribute force evenly to boost sit-up effectiveness and reduce strain. 【Floor-Friendly Design】Safe for all floor types without scratches, ideal for home gyms or compact workout spaces.