Links to where I purchased items used in making silkscreens and using them.
InkJet Transparencies: box of 20 from Amazon $21.26 Prime incl tax
Sources for emulsion coated sheets:
Sheets cost about: $9.00--$14.00 each if you buy the 5 pkg plus shipping.
polypropylene page protectors: 100 for $12.82 (Prime including tax) $.13 each