Feature:1. Wide Application: The back support roll is long enough to fit most unsupported home, office or car seats. Whether you are working, driving, or relaxing, this lumbar support pillow can provide the extra comfort and support you need to maintain good posture and reduce fatigue.2. Portable and Convenient: The lumbar support pillow is not only effective and comfortable, but also lightweight and portable. Easy to carry and travel with, you can take this lumbar roll wherever you go.3. Lumbar Support: Supports the lumbar region to maintain proper posture, the lumbar support pillow reduces muscle mass by supporting the lumbar region in the curve of the body's spine in the lumbar region or neck region.4. Good Sweat Absorption: 3D Air Layer fabric improves the 3D shape of the polygonal fiber section and improves the handfeel. Soft and delicate, no linting, no pilling, good sweat absorption, not easy to irritate the skin.5. High Density Memory Foam: High density memory foam ensures that the lumbar roll retains its shape without wrinkling and provides long lasting support. Supports the curvature of the spine.Specification:Item Type: Lumbar PillowMaterial: Space Memory Foam, 3D Air Layer FabricsProduct size: 27 x 12cm / 10.6 x 4.7in (manual measurement has 1-3cm error)Use: Lumbar support to improve sitting posture.Package List: 1 x Lumbar Pillow