Details Maintains hygience and cleanliness of your facepiece Helps pro-long lifespan of your facepiece Uly material prevents your facepiece from getting wet inside the bag if exposed to low pressure liquid Can be used to also keep filters/cartridges (in zip-lock bags) with your facepiece The 3M™ Uly Drawstring Bag is specially designed for storage and transport of 3M™ Full Face Reusable Respirators 6700, 6800 and 6900. Use it to keep your facepiece after work shift or bring it anywhere for your convenience.