The Vintage Lands' End halter style Tankini in black with white polka dots, size 6, is a classic and stylish swimwear option for women. Made from a blend of 80% nylon and 20% spandex, this top offers a comfortable and stretchy fit. With a built-in bra for support and a hand wash care instruction, this one-piece tankini from Lands' End is both practical and fashionable for a day at the beach or pool. Built in bra with non-removeable modest pads halter tie Thick straps 80% Nylon 20% Spandex Hand wash cold Lay flat or hang to dry Approximate measurements 13" wide pit seam to pit seam Length was tough to figure. I measured from the top portion of the bust to the bottom I'm kind of guessing 15" I rarely purchase swim bottoms instead I purchase swim tops that will go with the swim bottoms I own