1.A subtle slope from back to front raises the user's heels, giving them the right angle of the squat.2. stools make smoother and faster bowel movements. Feet with a non-slip design, very safe for use. Compact, ergonomic, discreet, sturdy, and self-storing provides the perfect squatting posture. With honeycomb design at back, both hardness and flexibility, it is not easy to break. Made from high-quality plastic material, rounded stool feet, no burr, stool surface is very smooth. Pregnant women and the elderly can prevent constipation, prevent hemorrhoids. Can be used as a step stool for children. It has anti-slip footpads, which is keeping the stool in place and adds more safety.