I bought two packs of these for my own PT visits: https://www.amazon.com/gp/product/B089SRDFZY/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1

I think I remember them being big until I washed them twice, now they fit very well. They're protective but not too thick I can't breathe. (I thought I was turning into a Karen before I bought these, seems the homemade ones I had before just used an absurdly thick fabric.)