MEMORY FOAM MATERIAL, Our seat cushion is made of pure premium memory foam with no additives and uses exactly the same material as the world's leading manufacturer of memory foam. can be used to improve poor posture and relieve leg pain when driving a car or sitting for long periods to increase your comfort while maintaining its density.SOFT TACTILITT AND NON-SLIP GEL RUBBER BOTTOM - Due to the versatile design, we firmly believe that you would find this pillow soft and non-slip after you've used it. So you can enjoy your office work, driving your car and other time sitting down. If you spend more than 8 hours a day sitting, this comfortable mat is for you.U-Shaped Ergonomic Design - We use a U-shaped ergonomic design recommended by orthopdic surgeons and doctors around the world to treat chronic or acute pain by relieving pressure in strategic areas. Helps Relieve Symptoms Of: Low sculpted back, lumbar vertebrae, sacrum, prostate, hips, spine, leg pain, back pain and wounds.FIT ALMOST ANY CHAIR - The seat pillow nicely fits most office chairs. Take it in your car, on the plane or train. This cushion will help to reduce neck, shoulder, coccyx, lumbar and low back pain. TIPS: The rubber bottom may stain light colored leather / vinyl."We have a professional after-sales team. If for any reason you are not satisfied, please and we will resolve the problem as soon as possible. ". 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.