Comfortable seat cushion made from high-quality memory foam with slow rebound properties. Designed to provide comfort and help relieve tailbone pressure during sitting or driving. Supports recovery from lower back issues and helps alleviate sitting discomfort associated with sciatica, herniated discs, coccyx injuries, pregnancy-related back pain, hip pain, hemorrhoids, and other spinal conditions.Features a removable and washable cover made of breathable velour fabric that is soft, skin-friendly, and resistant to fading. The cover is non-clogging and easy to maintain. (Note: memory foam core is not washable.)Incorporates gel technology to enhance thermal conductivity, helping to distribute body heat evenly and reduce heat buildup. Provides a cooler seating experience, making it comfortable for extended use, even in warm weather.Ergonomic U-shaped D-cut design offers targeted support to the lower back and promotes proper spinal alignment. Helps improve sitting posture and reduces the risk of strain from prolonged or incorrect sitting positions.Versatile and portable design suitable for use in various settings including office chairs, car seats, trucks, airplanes, wheelchairs, dining chairs, sofas, deck chairs, stadium seating, and computer workstations. Can also be used as a seat booster to increase seating height. Ideal for travel and everyday use to enhance comfort and support during long periods of sitting.