Keeps hygiene, no worry about the smell. Napkin has a green sheet for bacteria protection which blocks bacteria build up 99.9 percent. Perfume tree fragrance gives a fresh feeling. Stay confident for long hours. Comfy dry cover. Using a napkin for long hours leads to bacteria build-up, so you worry about hygiene and unpleasant smell. Napkin has a green sheet for 99.9%* bacteria protection which maintains hygiene and also has perfume tree fragrance for no worry about the smell.