This back seat extender transforms your truck backseat into a spacious flat riding area for large dogs. Heavy-duty plywood supports up to 400 lbs, expanding space by 40 percent. Seven layers of waterproof scratch-resistant 600D cationic fabric protect upholstery from claws and dirt. The detachable mesh window allows interaction to reduce anxiety, while the safety belt keeps pets secure. Non-slip bottom grips keep the cover in place throughout every journey. Folds compact for storage when not in use.