Black lace bralette size small

Black lace bra with spaghetti straps in size small. There is no brand tag but Rn 66170 is either Urban Outfitters or Anthropologie. Size S as per tag but it is very small and could fit XS or XXS. Triangular cups Scalopped hems Adjustable straps Elastic band When flat and attached to last hook Band is 12" and can stretch to 15" Cups are 4.5" wide