Thickened Cushion: Made of high-density compressed foam, this saddle stool features a cushion size of 14.8 x 14.1 in with a thickness of 2.4 in, offering a 20 % increase in thickness for enhanced comfort. The leather seat surface is breathable, durable, easy to clean, and resistant to deformation or fading, even with long-term use. Ergonomic Saddle Design: This ergonomically designed rolling stool features a "saddle seat" design, which aligns the legs with the seat surface to relieve pressure on the waist and legs. It helps prevent poor posture caused by spinal tilt and back pain, promotes proper posture, and reduces fatigue from sitting for extended periods. 450 lbs Weight Capacity: Our office stool base is widened to 21.3 in / 54.9 cm, with a sturdy metal structure that supports up to 450 lbs. Rest assured, we use an SGS-certified three-stage hydraulic gas lift, so you won't have to worry about metal bending. You can confidently rely on the durability of this chair. Adjustable Height Range: This salon stool seat height is adjustable from 21.7 to 28.0 in / 55 to 71 cm, easily accommodating different height differences and work requirements. Whether in a dental clinic, salon, laboratory, or workshop, this stool provides a practical seating solution to ensure convenience and efficiency at work. Silent PU Wheels: Equipped with five 360° rotating PU wheels, this adjustable stool moves smoothly and quietly within the workspace without generating any irritating noise from friction. The wheels leave no unsightly marks on the floor and are suitable for various surfaces, including carpet, tiles, and hardwood.