Black Bra Size 40D US

I have a lacy, lightweight, unlined, black bra with a small bow in the center of the chest, fully adjustable straps, 3 hook & eye back closure. NWOT. Got it home, & had bought it out of town so it never was worn or returned. Tag says Gelmart Size 40D (USA) cups are 100% Nylon, back closure is 85% Nylon, 15% Spandex. I own cats so forgive the hairs please!