3D Print ready mask model is washable and filter can be changed. You can use hepa filter or You can cut and use disposable masks. You can find 3 size of mask S,M,L . You can find .stl file witch is print ready for 3d printers.Lightweight design, convenient and fast printing. weight around 50gr.If you want to work with logo etc on the side, you can ask for help. Please let me know if you have any questions.