This is a women's bralette style by Tarea By Rue21 in a size extra small.
It is sheer peach-colored lace and features adjustable spaghetti straps, a straight lace bottom hemline, and a 5 hook and loop back closure.
The bralette measures about 9.75" from underarm to underarm and 3.75" from back top hemline to bottom hemline when laid flat. It was made in China of a 90/10 polyamide/spandex blend.
The garment comes in good pre-owned condition.