ROUWINNE Back Seat Extender for Dogs-Large Space, Hard Bottom Dog Car Seat Cover for Back Seat Hold 420lb, Anti-scratch Backseat Extender for Dogs,Waterproof Dog Hammock for Car, SUV, Truck, All BlackBrand: ROUWINNE Color: All Black Features: INCREASED BACK SEAT ACTIVITY SPACE EXTENDED DOG COVER ROUWINNE Back Seat Extender for Dogs expands to 53 inches in width and 24. 8 inches in depth, enabling complete coverage of the rear area. Dogs won't fall out of the puddle, which also makes the dog's activity space larger, allowing your dog to walk around or stretch their limbs easily, easing the dog's anxiety during long car trips. Ideal for large dogs,