It can also protect against UV rays. This is a very versatile face guard. This is a TOY size for long-nosed dogs. This visor was purchased to protect the eyes, especially from UV rays when going outside. I think the design and function of the product are really good, unlike anything I've seen before. - Brand: Optivizor - Intended Use: Toy - Color: Yellow Thank you for viewing. It has been stored at home for a long time. Please refrain from purchasing if you are sensitive to this.