Seat Cushion Comfortable Sitting Slow Rebound Pressure Relief Hip Fit Postpartum Pregnancy Donut Chair Cushions Home Supplies. Description: Removable and machine washable, the donut cushion cover comes with a high quality smooth zip that is removable and machine washable. If you are a hardworking and clean person, cleaning the donut cushion will not give you any trouble. Thanks to its ergonomic "U" shaped cut-out, the donut seat cushion reduces pressure on the hips when in use, effectively relieving pressure on the tailbone, thereby alleviating painful haemorrhoids and relieving discomfort caused by prolonged sitting. It is made of high-quality polyester and memory foam material. The length of this product is 41cm, the width is 33cm and the height is 7cm. It is suitable for home, living room, office and car. Item Name: Cushion Material: Polyester, Memory Foam Features: Slow Rebound, Comfortable Sitting, Pressure Relief Size Details: L: 41cm/16.14", W: 33cm/12.99", H: 7cm/2.76" (Approx.) Notes: 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. Package Includes: 1 x Cushion