I use their yellow MF's from Costco for wheel, door jambs, interior wipe downs, bumpers, typical grunge work, etc... I don't use them on paint or glass (because they lint). They come in a package. They lint like crazy even when washed. They are my #1 all purpose towel for EVERYTHING but paint and glass.
I bought their 10 pack, 16x28 of 80/20 blend WW drying towels at Costco today for $12. They are a bit rough for paint, but if lint free as they claim, will make for an excellent window and interior towel. They are thick and heavy. They are advertised as kitchen towels for drying and polishing your dishes and glasses. They are not in the automotive section. I washed them for the first time today with 1/2 ounce of Charlies soap and warm water, dried on low and 10 minutes on "air fluff." There was no lint residue in the trap in the sink. They feel softer. I really think they'll make for great window and interior wiping.