Help alleviate back and hip pain: Sleepavo’s coccyx pillow has been ergonomically designed to help take pressure off of user’s lower back or tailbone and offers orthopedic tailbone pain relief while sitting. This office chair cushion promotes healthy posture and proper spinal alignment. Signature ergonomic shape with pressure-relieving cut out: The U-shaped design, with its cut-out center and contoured surface, removes pressure from the coccyx to ensure the tailbone hovers over the surface of the seat, thereby alleviating any discomfort caused by sitting for extended periods. High density memory foam seat cushion: This coccyx cushion for tailbone pain is made from a high-quality memory foam to offer comfort and to help relieve back pain, tailbone pain, and sciatica. This cushion can support up to 275 lbs., and is ideal for office chairs, wheelchairs, airplanes, or for use in a car. Includes washable cover, anti skid bottom and carrying handle: This seat cushion for tailbone pain relief features a zippered, removable mesh cover that is completely machine washable to make cleaning easier. The case also features a non-slip, rubber bottom to ensure the cushion will stay firmly positioned in a seat. Use in the office or while traveling: Each coccyx pillow measures 18” x 14” x 3” and is great for travel. Each cushion comes with a full three-year warranty that protects against any damage or defects. If your pillow goes flat, send it back for a FREE replacement.