Useful info thread... you can re use "disposable" masks. I have been doing so, but I am now going to really reuse them and rotate, as the environmental aspect of throwing them away had been bugging me.
I have used washable cloth masks a heck of a lot, but with omicron and a lot of high risk situations (such as flying or the occasional gig in Norway) I use ffp3s.
Full thread
here. Check it out!