The Vevor dog car seat cover back seat extender is designed to give your dog more room and better support during car rides. Its multi-layer construction combines 600D Oxford cloth with a PP honeycomb board for a stable, waterproof, and scratch-resistant surface. A breathable mesh panel helps improve airflow and visibility, while storage pockets and an included safety belt add convenience and security. The cover is washable, foldable, and made to fit the back seats of many cars, SUVs, and trucks.