Companies purchase custom air fresheners in bulk to utilize as a marketing tool to spread the word about their brand to current and new clients. The purpose of an air freshener is to add aroma to the air or mask odors in order to create a pleasant environment in a vehicle. They're used by everyone to keep their cars odor-free and smelling good. They come in a wide range of scents, shapes, sizes, and colors. If you're looking for personalized air fresheners at wholesale prices, contact PapaChina. PapaChina offers many other promotional products under $1.