Help alleviate sciatica and lower back pain: coccyx pillow has been ergonomically designed to help take pressure off of the user's lower back or tailbone and offers orthopedic tailbone while sitting. This gel cushion promotes healthy posture and proper spinal alignment.Ergonomically shaped with pressure-relieving cut out: The U-shaped design, with its cut-out center and contoured surface, removes pressure from the coccyx to the tailbone hovers over the surface of the , thereby alleviating any discomfort caused by sitting for extended periods.Cooling gel memory foam cushion: This coccyx cushion is made from high-quality Materials to offer comfort and to help relieve back pain, tailbone pain, and sciatica. Layered over the memory foam is a padding of cooling gel meant to keep users cool and comfortable throughout the day. This cushion is perfect for office chairs, wheelchairs, airplanes, or for use in a car. Great for short and long trips.Includes washable cover, anti skid bottom and carrying handle: This pillow features a zippered, removable mesh cover that is completely machine washable to make cleaning easier. The case also features a non-, rubber bottom to the cushion will stay firmly positioned in a and a convenient handle for easy transport.Use in or while traveling: Each coccyx pillow measures and is great for travel.size: 40 x 40 x 4cmMaterial: cotton+gelcolour: blackPackage Contents: 1 x Gel cushion1 x Grey cushion coverOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.