Our ergonomic seat cushion is made up of an ideal sitting position. Furthermore, you will feel constant cooling with our 3D breathable mesh cover while you sit on the wedge cushion. Our ergonomic seat cushion consists of a high-quality polyurethane memory foam core with a durable outer cover. Removable zipped cover. Super comfortable sitting: the seat cushion for gives you maximum seating comfort, while at the same time ensures that your posture is optimally upright - absolutely win-win for you and your back. Place the wedge cushion - with the higher side at the back - on your chair and off you go Replaceable Washable Cover: The back support seat cushion has a concealed zipper so the cushion cover can be easily removed and washed by hand or machine. By the way: our wedge cushion (H 2 to 7.5 cm x W 41 cm x L 48 cm) is available in two beautiful colours Many uses: the seat cushion is versatile. It is ideal for the office chair in the office, dining chair or wheelchair. Furthermore, it is ideal for travelling in the car, plane or train or simply as a booster seat. Thanks to the practical non-slip base, it does not slip. This is how not only frequent people benefit from it. With a carrying handle, the cushion can be easily transported. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.