MATERIAL:Made of food-grade environmental friendly material, the mask storage clip is safe and odor-free so that you can rest assured to use. (Not Including Mask) EASY TO USE:The storage clips are made of Environmentally friendly and soft material, easy to fold and put in your bag and pocket. The smooth surface gives you a good touch, easy to clean and reusable. PORTABLE:Foldable Design, easy to carry, help you store disposable masks at any time and put directly in your pocket or backpack. PROTECTIVE:The mask storage holder can effectively protect the mask and prevent mask pollution. REUSABLE: The mask storage holder can be reused, and should be cleaned in time after each use.