Please feel free to ask any questions in the comments. [Supervised by a Chiropractor] Meikaso Sleeping Cushion Low-Rebound, Lumbar Cushion, Lumbar Pillow, Lower Back Pillow for Sleeping, Comfortable Sleep Support, Pressure Distribution, Breathable, for Sway Back, Lumbar Support, Leg and Lower Back Pillow, Reduces Leg Swelling, Knee Pillow for Sleeping, Height Adjustable, Washable Cover, Suitable for Drivers/Office Workers/Elderly, Ideal for Respect for the Aged Day Gift [Ergonomic Design] The Meikaso lumbar pillow is designed based on ergonomics, with a mountain shape that perfectly fits the back, waist, and buttocks, relieving the burden on the back muscles and reducing fatigue. It fills the gap between the bed and the waist, gently supporting and reducing the burden on the waist, thereby reducing fatigue. [High-Quality Washable Cover] The pillow core is made of memory foam material that does not deform even after long-term use. The cover uses skin-friendly and highly breathable fabric, providing excellent breathability and preventing stuffiness even after prolonged use. The cover is removable and washable. [Height Adjustable] The lumbar support cushion for sleeping has adjustable height and can be freely disassembled to provide double protection for the waist. When using the adjustment pad, it stretches the waist in a scientific way and can relieve lower back pain. When not using the adjustment pad, it provides a comfortable sleeping height and maintains the correct posture of the lumbar spine. It can also be used as a footrest by placing your knees or legs on it, reducing the burden on your legs and allowing you to sleep soundly. [Suitable Users & SGS Certification] Not only suitable for long-distance drivers, but also suitable for people who work at desks. It can be given as a gift for birthdays, Mother's Day, Father's Day, Valentine's Day, and other celebratory occasions. Our lumbar pillow is soft and has excellent support to distribute pressure on the waist, with high density and strong elasticity. The lumbar pillow has not only obtained the Swiss SGS certification test certification, but also has a 99.9% antibacterial rate and anti-mite rate, providing a higher level of care. It scientifically and healthily cares for your lumbar spine.