1. ERGONOMIC designed for Pain Relief and comfort : The specifically U-shaped cushions relieves hip pressure by hugging the thighs and prevents leg numbness due to poor blood circulation, and the back pillow promotes good posture. Support recovery from Lower back and Sciatica pain, Arthritis issues, Herniated discs, Tailbone injuries, Coccyx pain, Hemorrhoids, Pressure sores, Backaches pain, butt pain, Spine pain from child birth, pregnancy pain and other spinal issues. 2. SIT COMFORTABLE EVERYWHERE: The Great Seat Cushion Combo is the perfect travel companions, allows for hours of sitting without experiencing any pain, aches, fatigue or soreness and fits office chair, desk chair, car seat, airplane seat, wheelchairs, bus seat, couch, train seat, gaming chairs, rocking chairs, armchairs, sofa or recliners. 3. 100% Orthopedic Memory Foam for Seat Cushions and Lumbar Support back Pillow: Its breakthrough design and premium quality durable memory foam. The comfortable seat cushion and lumbar pillow reduce the back pain and give you the best back support. 4. EASY TO CLEAN and Fix: Convenient the breathable velvet cover zipper for easy machine washing, and the bottom of the cover is made of resilient non-slip material. The LUMBAR SUPPORT PILLOW comes with a longer strap to fit larger seats.