XiXi Shop EFFECTIVE PAIN RELIEF: Get relief from lower back, coccyx, and sciatica pain with our desk chair cushion. The tailbone pain relief cushion evenly distributes weight to reduce pressure and pain. ERGONOMIC DESIGN for IMPROVED POSTURE: Our lower back support for office chair cushion includes a unique U shaped coccyx cutout, that promotes proper spinal alignment and improves posture. CHAIR CUSHIONS for COMFORT: Our seat cushions for office chairs are designed for your comfort, providing a comfortable seating experience for prolonged sitting periods at work, travel, or home use. SIT COOL and DRY: Our seat cushion for sciatica pain relief is designed to keep you cool, dry, and comfortable. The breathable, moisture wicking cover helps prevent sweating due to prolonged sitting. LIGHTWEIGHT and PORTABLE: Conveniently sized, take our donut cushion for tailbone pain with you anywhere you go. Use it in your home office, in the car, or on an airplane so you'll always sit comfortably.