Feature: 1. Latest ergonomic design keeps the spine "natural S shape", the premium eco-friendly memory foam lumbar support cushion is an effective product for waist and back. 2. The inner elastic low-rebounding memory foam can retain its shape, never go flat, evenly supports the body, uniformly disperse pressure from your back. 3. Relax your back anywhere as in cars, planes, offices, living rooms, etc. The lumbar support cushion cover is made of 4D mesh material with great breathability, sit comfortably even use it for a long time. Easily remove the pillow cover and wash it when needed. 4. The spine unconsciously bends while sitting. If you maintain the same posture, such as office work or long drive, your body will gradually collapse, and will eventually hurt your back. "Ingots" shape lumbar support cushion is designed according to the curve of the human spine. The central curved surface perfectly matches the human spine curve. Even if sitting for a long time, the spine keeps S-shape. 5. Memory cotton core, improve sleep comfort, lie down, the waist pad slowly sinks, gently support the waist, the body gradually relax. 6. Specification: Product name: car lumbar support pillow Product fabric: memory foam Product core: slow rebound memory foam Product size: 48*23*11cm Package List: 1*Lumbar Pillow