V-Ring side tie thong.  Available in Black, Pink, Royal, White and Yellow. Price is just for the thong, you can wear it with any bikini top.

Bikini pants come in Black / White / Pink / Royal and Yellow.

100% Poly-blend and nylon inner lining
Cold hand wash / Air dry only / Never bleach
Do not iron / Do not dry clean
Stretchy, nylon-spandex fabric that promotes a sculpted look and assures unimpeded movement.