Product Description: Color:Black Dimension: Height of 15.4"/39 Cm; Width of 18.1"/46 Cm Material:Mesh Lumbar Support System Cushion made of Elastic steel wire frame and nylon nets Design:Ergonomic lumbar support system, Attaches by elastic band which enables you to adjust it to your perfect fit Function:Beads desin to massage your back and mesh material allows air circulation to keep you cool ​Features: 100% Brand New and High Quality. Mesh back lumbar support cushion pad Many bead can massage you back muscle for relaxing. Great for car seats, office chairs, or home and truck chairs Attached by elastic bands with enable pefect adjustments. Mesh material improves excellent air circulation to keep you cool. Beads massages your back. Using high elastic steel wire frame, elasticity, keep in shape. Relieve your driving and working pressure.Made of unique mesh fabric that allows airflow for personal comfort. Gently conforms to body contours for a uniform support for your lumbar vertebra,fit well match. For your driver to remove fatigue, its mesh design, leak, cool. Package Include: 1/2 Car Vent Cushion Mesh Back Lumbar Support Mesh back lumbar support cushion pad Many bead can massage you back muscle for relaxing. Great for car seats, office chairs, or home and truck chairs Attached by elastic bands with enable pefect adjustments. Mesh material improves excellent air circulation to keep you cool.