Long Hours Of Ergonomic Support - The Marvel x TTRacing Groot Lumbar Pillow is made from the softest materials, including spongy memory foam and soft velour fabric which gives the user cutting edge support to save the world! Memory Foam Material - The TTRacing Groot Lumbar Pillow is a unique combination of comfort and support. Premium memory foam cushioning and an ergonomic design provide the most comfortable support you've ever felt Enhanced Spinal Support - The Groot Lumbar Pillow supports a proper spinal alignment and a good seating posture so you’ll always be ready to take on whatever that comes in your way.