Pillow Ergonomic Lumbar Roll Adjustable Buckle Cylinder Office Chairs For Car Seat Fatigue Relief Low Back Support Universal Made of mesh cloth fabric, breathable and absorbent,easy to wash and refreshing. Adjustable elastic buckle, convenient, comfortable and non-slip Superior construction, long-lasting foam with non-wrinkle, moisture-wicking Cylindrical shape designed to fit the waist more closely, providing strong support for the waist Maintaining the normal physiological curvature of the waist, relieves lower back pain and stiffness Versatile use: Can be attached to office chairs, vehicle and plane seats. Specification: Type: Lumbar Roll Fabric: mesh cloth Filling: Sponge Color: Black Size: about 28x12cm(L*W) Package included: 1 x Lumbar Roll Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-3cm differences due to manual measurement.