PREMIUM MATERIAL - This coccyx cushion is made of high-density memory foam that won't flatten or deflate with long-term use like inflatable pillows. In fact, the foam is able to adapt to the temperature and pressure sensitivity of the form for optimal comfort and pain relief. ERGONOMIC CONTOUR DESIGN - In pursuit of the most comfortable long-term sitting experience, the hemorrhoid pad provides coccyx comfort, ensuring good blood circulation without cramping. The angle of the calf limits the stress on the calf. Stop suffering from pain and debilitating conditions - get pain relief in a simple, natural and effective way. Doctors and physical therapists around the world recommend the Pressure Relief Hip Pad for effective pain relief while sitting. MULTI-FUNCTIONAL - The memory foam chair cushion measures approximately 44x41x8cm. Suitable for wheelchairs, gaming chairs, office chairs, armchairs, restaurants, stadiums. The ergonomic cushion design promotes the natural curvature of the spine, good posture, tailbone relief and proper hip alignment. GREAT GIFT IDEA - This office chair cushion is a gift for all your friends who sit for a long time every day, highly recommended for students, pregnant women, the elderly, office workers, etc. 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. Sold by-YJL official store