Knitted cotton fabric40 x 40 chair cushion, knitted cotton fabric, soft and skin-friendly, universal in all seasons, comfortable and breathable, not easy to pilling and fading. Slow rebound memory foamRound chair pad, sitting on a cushion, there is no pressure on the buttocks, slow rebound material, the material adjusts the pressure of irregular shapes to a balanced state, creating a healthy circulation. Invisible ZipperInvisible zipper coverable chair pad, the cushion cover is removable and washable, which is convenient and easy to care for, more hygienic to use and clean. details reflect the quality. Multi-scene applicationThe garden chair pad is suitable for your living room chair, floor, kitchen chair, car seat, garden chair, office, sofa, indoor and outdoor, etc. About chromatic aberrationChair Cushions products are all taken in kind. Due to the influence of display, shooting light and other factors, product chromatic aberration may be caused. The chromatic aberration problem is unavoidable. Please understand.