4. Collars
When talking about the best selling pet products in America, here is something that separates the consumers in this country from the rest, and that is national pride. The land of the free and home of the brave really loves showing off the country’s stars and stripes on pets’ accessories, and there is no accessory more important than a collar. First, here is a classic one sold on Amazon and recommended by AKC, but nothing screams USA as a patriotic USA dog collar which Amazon users rated with all stars. As if there was any other way.