Sit more comfortably on this orthopedic donut cushion! It's made of memory foam for personalized comfort and the 5" hole in the center relieves pressure when sitting, even on hard surfaces. Ideal for post-partum discomfort, sciatica, hemorrhoids and more. Soft velour cover zips off for hand washing. 14 ½" in diam. x 3 ¼"h.