It was 9:30 p.m. in San Antonio, Texas, and Corporal Perry was out responding to a call — a stray pit bull was barking at the door nonstop, the caller reported, and they feared the dog was aggressive.

But luckily, thanks to Amazon's Big Spring Sale, the solution to keeping your car clean when chauffeuring your dog around this spring and summer is now on sale. These Waterproof Dog Car Seat ...