Is stain glass paint toxic on outside of plastic throw away wedding flute glasses?

i want to stain glass plastic throw away wedding glasses on outside of glasses is this toxic to drink out of?Is stain glass paint toxic on outside of plastic throw away wedding flute glasses?
Joann's has a product that is like stain glass the best advise I was told was to not put the edging on the inside of the glass or near where people drink. The product from Joann's dose not.Is stain glass paint toxic on outside of plastic throw away wedding flute glasses?
No, there is nothing toxic about it and zero risk especially if the paint decoration is down from the edge where people's lips would touch. Make up some samples to be sure it will not come off in handling. You may have to clean each one with rubbing alcohol for better paint adhesion.