Material- Plastic,Portable mask storage box is dust-proof and moisture-proof, easy to handle.and can effectively prevent secondary pollution of the disposable mask.Small size, easy to carry,effectively protection of mask, not easy losing.PP material is easy to clean and reusable (please sterilize after use), simple folding storage, small and convenient to carry in a bag or pocket, when you go out for dinner, travel, party, daily office Wear and keep the mask clean and hygienic.Portable mask storage box of the best choices for tourist, business travelers, students, suitable for regular gatherings or parties, meetings, traveling, etc.Uses - Storage of disposable masks.