specification: _x000D_Item Type: Rotating Cushion_x000D_Material: Flannel, ice fabric, sponge, ABS_x000D_Size: Approx. 39 x 39 x 5cm / 15.4 x 15.4 x 2in_x000D_Maximum Load Bearing: 150kg / 330.7 lb(approx.) above this weight may be unusable_x000D_Function: Placed on a chair or car seat, it can rotate 360 degrees Features: 1Reduce pressure on the spine and coccyx while enjoying easy rotation when using. 2Perfect for pregnant women, new mothers or anyone recovering from surgery. 3Can also be used by people with limited mobility when entering and exiting vehicles. 4Can be used in the car, 360 degrees rotation, convenient for old people to get off. 5Reduce the danger of back, knee, and hip tension. An anti?skid base prevents the mat from moving into an inappropriate position. 6Equipped with 2 cloth covers, one ice cover and one flannel cover, which can be used in summer and winter. The cloth cover is detachable and easy to clean. PackageList: 1 x Cushion 1 x Velvet Cover 1 x Ice Cover