BILLABONG Reversible Grey & Multicolor Bikini Top

Reversible bikini top by Billabong. Great used condition Would look great with a black, grey, salmon pink or teal bikini bottom Unfortunately the size tag has been cut - but I am almost 100% sure its a small. I have measured one of the triangles in the photo and the string along the bust extends about 45 inches without stretching, around 52 with. (Need that extra room to tie it in the back.) Padding in the cups - not removable