Features:【Effective Back Pain Reliefs】Our ergonomic back support relieves mid, and lower back pain, promotes proper posture, and maintains a gentle curve in the spine ,providing you with more comfortable support【Premium Memory Foam】Lumbar pillow core adopt premium memory foam, which is efficiently rebound and comfort support, keeping your lower back in the correct position, provide you with comfort for a long time and strike the right balance between support and comfort【4D Breathable Easy To Clean Mesh】This office chair lumbar support features a breathable cover with a zipper design so you can easily remove mesh cover for machine washing when necessary, made to keep air flowing between you and the pillow, keeping you dry, cool and comfortab.