Description:Simulate the C Curve of human body, the bulge design in the middle of pillow, fits your lumbar structure, provides maximum support for your lumbar pressureThe lumbar back support pillow conforms to your spine and promotes an ergonomically correct sitting for a healthy and relaxed posture for home, work, or auto use, to support quick and lasting relief of back pain and neck pain.Breathable and stain-resistant zippered cover is filled with innovative and adaptable viscoelastic foam.Back Cushion Ergonomic Memory Foam with Cotton Cover, More Breathable for Relief Lower Back PainMeasure: 46x23x11cm/18.11x9.05x4.33 inchSpecification:Material: memory foamSize: 46x23x11cm/18.11x9.05x4.33 inchPackage Includes:1 Piece Back Support PillowNote:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.