rare vintage 90’s sanrio pippo grey ringer tee

1996 sanrio grey with blue trim, cute pippo pig and splatter flower graphic on front great condition 100% cotton made in U.S.A happy clothes tag is ripped, originally said one size- see photo. unsure mens womens or mens sizing. fits like a womens small/youth large. sleeve openings are a little small. refer to measurements! approx measurements flat: 17” pit to pit 21” length 6” sleeve length 4” sleeve opening