About this item 💎SEAT IN COMFORT, NOT IN PAIN:The U-shaped design cushion, with its cut-out center and contoured surface, reduces pressure on the coccyx, tailbone to ensure the tailbone hovers over the surface of the seat. It can promote well-shaped posture and improve blood circulation. Therefore, our seat cushion can effectively alleviate discomfort caused by sitting for extended periods and relieve sciatica pain. 💎PREMIUM COOLING GEL MEMORY FOAM:The chair cushion is made of quality durable memory foam with a cool-off gel layer for superior comfort. The advanced seat cushion for the office chair responds to the heat of your body to mold perfectly to the shape of your bottom. Soft but firm. The thick foam padding compresses and cushions enough to keep you supported. 💎PREVENTS BOTTOM SWEATS:The removable cover is made of breathable and skin-friendly fiber and is designed with micro holes. Mesh fabric on the top lets you have a deep feeling of cooling gel. You can feel cool and comfortable throughout the day. This seat cushion features a zippered cover that is machine washable and easy to clean up. The high-quality zipper will not break even after being reused for a long time. 💎MULTI-USE & STAY IN PLACE:The butt pillows are ideal for desk chairs, office chairs, wheelchairs, airplanes, or for use in car seats. Great for whether short or long trips. The rubber bottom can ensure the seat cushion stays firmly positioned in a seat. It won’t slip off like other seat cushions and needs to be re-adjusted. 💎SATISFACTION GUARANTEED:Our chair pads are CertiPUR-US and OEKO-TEX certified. It is a good gift for yourself, your parents, friends and colleagues. We offer a 10-year warranty and additionally a 30-day no questions asked refund policy for all our customers.​If you are not satisfied with our product or service, please feel free to contact us with any questions.