Enjoy a pain-free life with ultimate comfort - Our tailbone seat cushion conforms to the contours of your body, making it a great lumbar cushion when driving or working long hours. The back support cushion for the office chair is a great relief for back pain and pain in the tailbone area. The best orthopedic, ergonomic seat cushion - The office chair seat cushion and car cushion has an ergonomic U-shaped cutout. This seat cushion is highly recommended by orthopedists because it relieves pressure on the sciatic nerve, thereby relieving back, leg and buttock pain. No matter whether you use this seat cushion to optimize office chairs for high seating comfort or use it as a car seat cushion; You will feel the difference. High quality and easy care - The seat cushion and back support for car and office chair are made of 100% pure memory foam. The pillow supports healthy posture by absorbing some of the pressure on your body. The half donut cushion and backrest cushion are covered with a removable, washable mesh cover. Versatile and lightweight - Our back support chair cushion has adjustable elastic straps and can be used as a car seat cushion, office chair cushion or wheelchair cushion. These memory foam seat cushions are portable and therefore an ideal travel companion.