● ✔ LOWER BODY RELIEVE: This all-in-one memory foam pillow relieves pain in the spine and buttocks by shifting the tailbone when sitting and reducing pressure on the pelvis. The firmness the orthopedic seat cushion offers exceptional lumbar support for the treatment of hemorrhoids, coccyx injury, sciatica and pressure sores. ● ✔ VERSATILE AND POST-SURGERY: The cushion can be used anywhere: It is suitable as an ergonomic chair cushion at home, seat cushion for office chair, home office, bbl pillow after surgery, stadium seats or wheelchair cushion. Comes with a handy carrying handle, making it easy to transport chair. ● ✔ SMART DESIGN: The coccyx seat cushion is seat and back cushion in one. The ergonomic shape of the lumbar support cushion ensures good posture even during travel. Your back seat cushion can be attached to the backrest with an adjustable fastening strap while also offering excellent lower back support. ● ✔ COMFORT AND RELIEVE GUARANTEED BY BONMEDICO: We understand the importance and impact of your lower back pain relief and well-being during your daily activities, whether in the office, car, or even on your wheelchair. Enjoying being able to sit for long periods of time without having back or tailbone pain is something we are thrilled to be able to offer, and we deliver this by combining excellent memory foam pad with the highest technology during the creation of your seat cushion. ● ✔ HYGIENIC AND SIZING: The cushion comes with a cover that is machine washable at 86°F, making it very convenient. All materials used for our products are non-toxic. The ergonomic chair cushion in black has a durable mesh cover and is recommended for people who weigh up to 198 lbs. The chair back cushion measures 17.3 x 16.9 x 15.7 in; Please make sure it perfectly fits in your hair for proper performance.