Colour:Grey Package Dimensions:35.29 x 30.8 x 4.1 cm; 480 Grams Material:Memory Foam, Cotton Special Features:Warming Item Weight:480 g Features: Product Name: Memory Foam Chair Cushion Material: Memory foam + cotton Size: One size fits more. The size of the cushion is about 40*40*11cm Color: Grey / Pink Suitable for: home, car, office, classroom, sofa, bedroom, library, wheelchair and so on Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow 0-1/2 inch difference due to manual measurement. The pillowcase can be washed, the pillow insert cannot be washed and exposed to the sun. About this item Premium Material: Made of high quality memory foam which is soft and comfortable, slow rebound, not easily deformed and easy to recover. It can perfectly wrap your waist according to its line, giving lumbar support and relieving tension and pain in the waist. The outer layer is made of cotton, breathable, comfortable and not stuffy Size: One size fits more. The size of the cushion is about 40(Length)*40(Width)*11(Thickeness)cm which is suitable for most chair. There is a high elasticity strap behind the cushion can be attached to the back of the chair to prevent the cushion from shifting or falling out of place during use Soft & Comfortable: The full support curvature has been repeatedly researched and designed to fit the contours of the waist and effectively support the back, thus protecting the natural curvature of the ridge and allowing the waist to relax and be at ease. When in use, the massage points of the lumbar support rest against the lumbar spine at the point of stress, sharing the pressure on the lumbar spine and providing support for the lumbar area while relaxing the lumbar muscles Washable: There is a zip design, the outer layer of cotton pillowcase can be removed, will not pilling, non-staining and non-fluffing, very durable, can be hand-washed or machine wash, long-term use of non-fading, always keep clean, as good as new Pain Relief: Sitting all day at work, in the car and at home really does a number on your back...but it doesn't have to! Slip this back lumbar support cushion on any chair or seat for instant, ergonomic positioning and posture correction. The premium memory foam molds to your natural shape for not too firm, not too soft support that lasts all day long. Lower back pain, sciatica pain, disc pain? It doesn't stand a chance Premium Material Size Soft & Comfortable Washable Pain Relief