【PREMIUM MEMORY FOAM】PLIS donut cushion's cover is made of comfortable and breathable fabric, and the inner core is made from high-quality memory foam. Transforms any hard chair into a super soft and comfortable upgraded seat. 【ERGONOMIC DESIGN】PLIS pain relief seat cushion is designed with an ergonomic "U" shaped gap and center hole, which effectively distributes weight evenly, reduces hip pressure during use, and alleviates hemorrhoidal pain and discomfort caused by prolonged sitting. It is particularly suitable for pregnant women, individuals recovering from surgery, office workers, and more. 【PORTABLE & MULTI-USE】PLIS donut cushion measures 17.7" x 13.4" x 2.8".The donut pillow can be taken anywhere, and can be used for any type of chair, such as wheelchair, office chair, airplane, car, bleachers at games,dining chair, etc.Its portable and lightweight design allows you to take it with you wherever you go, ensuring you never have to compromise on your comfort. 【CONVENIENT TO WASH】PLIS donut cushion cover is detachable and machine washable, equipped with a high-quality smooth zipper, detachable and machine washable. If you are a hardworking and clean person, cleaning donut cushions will not cause you any trouble. 【WHY CHOOSE US】PLIS donut cushion offers a combination of plush comfort and excellent breathability.This versatile donut cushion is particularly suitable for individuals with specific post-surgery needs, expectant mothers, the elderly, children who often experience discomfort while seated, as well as office workers.We value every customer's opinion, if you have suggestions to improve our products and services, please contact our customer service team.