Help alleviate sciatica and lower back : coccyx pillow has been ergonomically designed to help take pressure off of the user's lower back or tailbone and offers orthopedic tailbone relief 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 , tailbone , 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 4cm Material: cottonandgel colour: black Package Contents: 1 x Gel cushion 1 x Grey cushion cover Only 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. 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.