Corrected sitting posture - The hip cushion is ergonomically designed. The V-shaped design helps to promote blood circulation and relieve numbness and pain caused by lower back pain, sciatica, intervertebral disc herniation, tailbone injury and back pain after pregnancy. Shaping beautiful hips - The orthopedic cushion adopts a double O shape hollow design, which can relieve the pressure even if you sit longer, and shape the hip line and S shape. Soft cover - beautiful hip cushion, very soft, short plush, soft and comfortable, easy to store when folding. Foldable design - with elastic buckle, it can be folded and stored when you are not using it, which is very convenient for storage. Versatility - The seat cushion can be used anywhere. Car, office, sofa, kitchen chair, dining table, travel. Product Why did you choose our seat cushion? Our seat cushions firmly support your back and pelvic area. Keep your tailbone sagging so your weight doesn't stay on it. This balance eliminates the pain you experience when your weight is on your tailbone. characteristic: There are air holes on both sides and the ventilation is good. Healthy posture and correct spinal alignment Foldable design, easy to store and carry Durable You can shape your hips. It can relieve pressure. standard: Material: external short plush/elastic mesh, internal fine latex. Type: seat cushion/seat cushion/backrest Please refer to the main drawing for color. Due to different displays, some color difference is allowed. Product size: 45 * 31 * 10cm/17.7 * 12.2 * 3.9 inches Product weight: 650g Package includes: Cushion x 1