- UNIQUE BREATHABLE DESIGN: This back support pillow features a removable and machine-washable 3D mesh cover, ensuring excellent air circulation to keep your back cool and dry. The premium suede material provides comfort in all seasons. - ERGONOMIC LUMBAR SUPPORT: Specifically designed for office chairs and cars, this cushion offers targeted relief for upper, mid, and lower back pain. It promotes healthy posture by maintaining the natural curve of your spine, making it ideal for long hours of sitting. - HIGH-QUALITY MEMORY FOAM: Constructed with memory foam and breathable fiber, this back cushion retains its shape for repeated use. Its exceptional elasticity and ergonomic design provide consistent support, accommodating office workers, pregnant individuals, drivers, and students. Dimensions: 452812cm. - NON-SLIP FUNCTIONALITY: Featuring adjustable elastic straps, this orthopedic backrest stays securely in place, preventing slipping during use. Perfect for various scenarios such as driving, lounging on the couch, watching TV, gaming, studying, or working. - IDEAL GIFT CHOICE: This premium ergonomic lumbar support cushion makes a thoughtful gift for parents, office staff, teachers, drivers, and students who spend long periods seated. - PACKAGING INSTRUCTIONS: Upon receiving the product, if it appears flat or compressed, allow it to rest for 24-48 hours to regain its shape. Be aware that memory foam may have a slight odor; this is natural and harmless. To eliminate the smell, place it in a well-ventilated area away from direct sunlight for a few hours.