1.Strong Suction Cups: Sit up bar floor assistant with thickened large suction cups, with larger area and stronger suction, provide super stability and grip, allowing you to continue to enjoy sports 2.High-quality Materials: This Sit Up Machine uses high-quality stainless steel and sponge to prevent bending when you exert force. At the same time, our sponge makes it difficult for you to lose your hands during training, so you can use it better 3.Three-level Height Adjustment:Sit Up Exercise Equipment with 3 height options to meet different needs, suitable for all men and women of different heights and weights. Allows you to exercise without the help of others 4.Ergonomic Design: The Ab Machines for Home Exercise features a biomechanically optimized heel groove that firmly supports your feet, enhancing force distribution and comfort for maximum sit-up efficiency