High Quality Office Chair Cushion Our office chair cushion combines high-quality memory foam and heat-responsive technology, adapts to the body's curves, adjusts the appropriate support according to your body temperature and environment, relieves sedentary pressure, and keeps you active all day long. COXY seat cushion also comes with a luxurious velvet cover, comfortable, soft and easy to care for. Machine washable in warm or cold water, tumble dry on low heat or air dry. Ergonomically designed, the U-shaped ergonomic buttock cushion keeps the coccyx floating above the hard seating surface, avoiding direct pressure on the tailbone, distributing tension and relieving discomfort in the lower back, hips, legs, tailbone and sciatica. Prevents the occurrence and development of spinal problems and hemorrhoids, and ensures health. Its curved design reduces the pressure that other chair cushions can cause to improve blood circulation. Allows you to work efficiently all day long.