✅[2-in-1 Design: Seat Cushion + Short Lumbar Support] This integrated cushion combines a seat pad with a short lumbar support backrest( 9-inch Height), eliminating the need for separate accessories.It effectively fills the gap between your seat and its backrest, reducing discomfort from prolonged sitting by keeping your lower back supported properly.✅[Ergonomic Design ] The ergonomic low backrest ( 9-inch Height) adopts a curvature design close to the Lower Back, providing close-fitting support for the lower back.The central oval cutout targets relief for hemorrhoids and coccyx/sacrum pressure.✅[Breathable & Washable Cover] Crafted with a lightweight, breathable mesh outer cover, it promotes air circulation to prevent stuffiness and keeps you cool during long sits.The durable zipper allows easy removal of the cover, making machine washing simple and keeping the cushion clean.✅[Versatile Use] Across Multiple Seating Types Designed to fit beds, office chairs, and wheelchairs seamlessly.Whether you’re working from bed, typing at your desk, or using a wheelchair for daily activities, this cushion provides consistent comfort and support.✅[High-Density Memory Foam for Lasting Comfort] Made with premium high-density memory foam that adapts to your body shape.It delivers soft yet supportive cushioning-relieving pressure on your hips and lower back without losing its shape over time.✅[Non-Slip Granule Base for Stable Placement] The bottom features anti-slip granules that grip tightly to various surfaces-beds, office chairs, and wheelchairs included.It stays securely in place even when you shift positions, so you won’t need to readjust it repeatedly.✅FoKon Memory Foam Seat Cushion, Wheelchair Cushions,Lumbar&Lower Back Support,Bed Sore Cushions for Butt,Relieve Sciatica,Coccyx for Office Chair, Home - Relieves Pressure,Washable Cover.