Features Made of 100% pure memory foam, it provides good support for your lumbar area, helping you maintain a correct posture while driving and reducing fatigue. It has a curved surface that fits the waist curve and relieves waist pressure. The outer fabric cover is made of knitted fabric, soft and skin-friendly, removable and machine washable. The installation is easy and quick, suitable for various scenarios, such as car seats, game chairs, office chairs, etc. Specification Colour: black Material: memory foam Size: 41*30*12cm Package Included: 1x Lumbar pillow .