OKELA Memory Cotton Foam Seat Cushion is not only provide comfort in daily sitting, it is a versatile product, it can also provide solutions for back pain and sciatica relief. It helps relieve most back pain by reducing pressure on the tailbone with its cut-out rear. The ergonomic contour design further promotes proper spinal alignment and a healthy posture. Discard the hard chair and use the Okela Seat Cushion to relieve your spinal pressure: →Reduce back pain →Promote healthy posture →Proper spine alignment →Increase blood flow to the lower extremities Cooperate with your doctor's treatment recommendations to reduce the pain caused by: →Herniated, Bulged or Degenerated Discs →Sciatica →Stenosis →Spondylolysthesis →Sacral Joint Pain →Brused, Fractured or Inflamed Tailbone →Pregnancy and many other conditions Sculpted from premium highest grade memory foam, you can comfortably sit for hundreds of hours and the cushion will retain its shape without flattening. Memory foam provides the optimal density of cushioning and support for achieving the transfer of pressure. Appropriate for anyone 100-300 pounds. A cool gel layer on the back and a number of venting holes in the middle of the memory foam, this chair cushion is suitable for any season. This memory seat cushion fits most standard seats, dimensions are 18 x 14 x 3 inches.