HIGH QUALITY: Unlike a lot of lumbar cushions that use gel, layers, and other ineffective budget materials,memory foam seat cushions use thick, high density and molded memory foam that can keep its shape, feel soft and comfortable. SUPPORT FOR BACK AND LUMBAR: If you spend a lot of time driving and sitting, this memory foam Orthopedic seat cushion will gives you the support and relief you pains.lumbar pillow is perfect for upper, middle&lower back pains and lumbar pain relief. BREATHABLE MESH & SOFT VELVET COVER : with breathable mesh cloth and soft velvet cover, this back support pillow can keep back air circulating well . And cover is removable and machine-washable for easy cleaning. ERGONOMIC AND CONTOURED DESIGN: This ergonomic backrest pad with contoured structure can be placed anywhere along the back of a chair and and fit any height person, just slightly adjust position of it. It aligns your back while gently protecting and strengthening your muscles. Sit straighter, and correct your posture, instead of hunched over your desk. WIDE RANGE APPLICATION: It's suitable for most of office chair, car seat, wheelchair, gaming chair, recliner,home chair or seat on a bus, airplane or train, perfect for drivers, teachers, students, people in a wheelchair, pregnant women, office workers etc.