Recently I asked a question about Glitter Beach Barbie's bikini straps and why the ones in my daughter's 1990s collection weren't twisted. Guess it's pretty rare. Still like twisted better, but here
Amazon.com: Barbie Then and Now 1959-2009 50th Anniversary Bathing Suit Doll : Toys & Games
Barbie doll wearing a bikini, one arm raised. Cut out on white background Stock Photo - Alamy
Mattel Barbie doll tropical-print bikini with halter tie SET - BIKINI SET ONLY! | eBay