Black chest binder. Can bind/compress about 3-4 cup sizes (3-4 inches off bust measurement) Measurements: Ribcage: 36-40" Armpit to Armpit, laying flat: 18" Product Description from https://www.cantiqla.com/products/half-moon-binder Please consult your doctor if you have any rib/connective tissue conditions before using binders 84% Nylon, 16% Spandex, Latex Free Moisture Wicking Technical Fabric Cotton Blend Lining Hand wash is preferred, but if not, machine wash cold lay flat to dry. Binder Safety: Above all, we recommend listening to your body! If the compression ever feels excessive, or causes any pain, remove immediately. We accept exchanges for different sizes if the one you got isn't right! Always bind for less than 8 hours a day and always take your binder off before sleep. We do not recommend wearing this for exercise or significant exertion. (had to pick a gender and category........ it is what it is lol)