Features: Experience comfortable with our double layers Memory Foam Lumbar Cushion, features slow rebounds foam and hollow designs to relieve back pressure during prolonged sitting while enhancing postures alignment. The ergonomic seat cushion combines breathable ice silk fabric with ventilated hollow structure, preventing heat buildup and ensuring coolings support for lower back. Ideal for office professional, remote workers, or anyone spending hours seat desks, car seats, or home sofas seek spinal relief and improved sitting postures. Perfectly adapts to office chairs, game stations, study desks, or living room couches, providing comfortable for work, leisures, or extended reading. Includes removable, machine washable cover for effortlessly maintenance, making cushion gift for home or workplaces use. Specifications: Materials: Ice Silk Fabric Color: As Picture Show, Four Color to Choose Size: 43x41x17cm/16.93x16.14x6.69inch Package Includes: 1pc Lumbar Cushion note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.