This is a set of 4 DoHope Bra Straps, including 2 black straps, 1 white strap, and 1 beige strap. The straps are made of elastic fabric and nylon, which are soft, comfortable, durable, and easy to stretch. The bra straps are adjustable in length, with 12mm, 15mm, and 20mm width options to choose from, to fit different body types and outfits. The straps are also removable and reusable, providing more convenience for you. The package includes 4 pieces of bra straps in different colors, enough for your daily use and replacement.