MEMORY FOAM LUMBAR SUPPORT: Sleepsia Grey Velvet Lumbar Support is made of 100% Premium Quality Gel Memory Foam and its uter cover is made of velvet fabric that provides the best lower back support.Gel Memory Foam Lumbar Support is a pressure relief back cushion.The gel and ventilated core is designed to keep your lower back from cooling too warm and prevents sweating. KEEP COOL WITH GEL INFUSED: Back Rest Cushion or Back Support Cushion have pressure relief gel infused memory foam Keeps your back cool, feel comfortable sitting by your car seat or in your office desk. SUPPORTIVE: Sleepsia gel Infused Lumbar Support could help reduce the back pain and discomfort. Its Outer Cover Is made of Velvet fabric which is soft and Comfortable. Its Ergonomic design, cooling gel, gently holds you in the correct position, gives pressure and supports a sensitive area of your body. STRETCHABLE STRAPS: Gel Infused Memory Foam Lumbar Support comes with an adjustable Straps, paired strap that allow the cushion to rest securely in any kind of seat. These straps keep your cushion stable. REMOVABLE AND WASHABLE COVER: This cooling gel memory foam lumbar support comes with removable and washable cover. Clean your lumbar support simply, zip off the cover chuck with other clothes, and replace when dry. Clean it as needed or as part of your regular laundry routine. DIMENSION: (17.5LX15.5WX5.5H) Inches