Description: Made of mesh fabric, breathable and absorbent, easy to wash and refreshing. Adjustable elastic buckle, comfortable, comfortable and anti-slip excellent design, durable wrinkle-free foam, moisture-wicking. Cylindrical shape designed to fit the waist more, providing strong support to the waist. Maintaining the normal physiological curve of the waist, relieves lower back pain and stiffness. Versatile use: can be attached to the seats of office chairs, vehicles and airplanes. Specification: Type: roll Fabric: mesh fabric Filling: sponge Color: black Table Sizes: 28cm x 12cm/11.02 inch x 4.72 inch Package includes: 1 lower back pillow Note: Please allow slightly errors due to manual measurement and different monitors.