????? ???? ??? ????? - This ergonomic seat cushion nicely fits most office chairs and school chairs. U-shaped contoured design rests your tailbone, avoiding compression. This pillow is also a good option to consider, if you move around a lot. Take it in your car, on a plane or a train. Great for office use, frequent travelers, sporting events. This cushion will help to reduce neck, shoulder, and low back pain. Perfect alternative to donut and hemorrhoid pillows. Best for Adults 150 - 220 lbs?????????? ?????? ??????????? - This thick pad repeats the anatomical contours of your body, supports your lumbar area, and lessens the pressure on your back. It avoids the occurrence and progression of spine problems and ensures health. Moreover, it can be used to increase the height of any seat. This therapeutic lift cushion provides additional comfort when driving long distances (truckers, drivers) and rest if sitting in slow-moving traffic. Note:The pillow is supportive and Firm, Not Soft???? & ??????????: The orthopedic seat cushion should be firm enough. Our office chair cushion is a perfect mix of firmness and comfort. However, please allow yourself 1-3 weeks to adapt to a new feeling while sitting. Stay healthy with 5 Stars United sciatica pillow for sitting????? ????????: Seat pad provides comfort and support during long hours of sitting for office or remote workers, drivers, seniors, pregnant women, and those with hemorrhoid pain???? & ???-?????????: Our chair pillow is OEKO-TEX STANDARD 100 and CertiPUR certified, ensuring a safe and sustainable choice for you