Enlarged & Thickened Saddle Cushion: The saddle stool rolling chair is compressed with a high-density sponge and covered with thickened PU leather. Cushion size: 15.4x17.7 inch. With a 2.4-inch (6 cm) thickness, it's 20% thicker than others, ensuring an incredibly comfortable sitting experience. Plus, cleaning is a breeze, thanks to the easy-to-maintain PU leather material. Relieve Back and Hip Stress: Experience optimal comfort with our revolutionary saddle stool with wheels. Not only does it help correct your posture, but it also prevents slouching and alleviates strain on your back, neck, and shoulders. Additionally, the angle of the saddle cushion is adjustable, allowing you to personalize your comfort experience. Adjustable & 360 Rotatable: With an adjustable height range of 20.1 to 28 inches, our rolling saddle stool allows you to discover your perfect seating position. The cushions and wheels are expertly designed to rotate freely, offering effortless movement and enabling you to effortlessly access different areas without experiencing any strain or overreaching. Sturdy Structure: The swivel saddle stool base has been widened to 21.3 inches, ensuring not only a greater weight capacity of 400 lbs but also a solid foundation for all your seating requirements. Rest assured, our lift cylinder is SGS certified, allowing you to enjoy your seating experience with absolute confidence. Versatile Use: VEVOR saddle chair is designed to meet the needs of various industries and settings. Whether you're in a dental office, salon, laboratory, or workshop, our stool offers a practical seating solution for tasks that demand precision and mobility. Note: Please hold the gas spring with your hand, the black plastic cover is facing the ground, and knock it on the ground a few times to make it easier to remove the cover.