Purchased at Hands. Used for approximately 1 year, it's a used item. Home cleaned. Features: ・The W-thickness honeycomb gel cushion effectively distributes body pressure. ・It provides a sitting experience as if you're floating on water, making it a cushion that prevents fatigue even after sitting for long periods. Gel Cushion, Egg-Cracking Cushion, Seat Cushion, Gel Cushion, Seat Cushion, Double, Zero-Gravity, Back Pain Relief Cushion, Body Pressure Distribution, Breathable, Honeycomb Structure, Comfortable to Sit On [Product Description] ・Double-layer design, pursuing a soft sitting experience and stable support. By evenly absorbing and distributing body pressure, it maintains proper posture. ・Reasons to choose our zero-gravity cushion: 1. Latest double-layer design, can be used on both sides. 2. 500 pressure-reducing grids of gel material are arranged to efficiently distribute body weight. 3. The thickness is 4cm, making it easy to use in office chairs and car seats without affecting the height. 4. Good breathability, preventing heat buildup. 5. Provides a soft sitting experience and stable support. 6. Helps with back pain, poor posture, and pelvic correction. 37✖️35 Thickness approx. 4