Vtg Paper Napkins Little Boy Girl Puppy Dog Underwear What's Yours Private Parts

A set of 4 vintage paper napkins as pictured. Each features an image of a little boy, a little girl, a puppy dog, and them looking in their underpants at their private parts. The question asks: "What's Yours?" Measurements in photos. Vintage. Don't appear to have been used but have some light discoloring throughout.