75% Nylon, 25% Spandex Imported Buckle closure Hand wash only Multi-way deep U-shaped plunge backless bra. Convertible straps can be worn as a low plunge bra, low back bra, backless bra, halter bra, criss-cross back bra, strapless bra, open back bra, low cut bra, wedding bra, or everyday bra. Beauty back bralette designed for low back dresses or blouses. Innovative adjustable back single-button design allows the strap to be positioned lower than a standard bra, creating a sleek low-back silhouette. Back strap extends down to 5.5 inches. Skin-friendly, seamless, and comfortable construction. Bra fabric is made of 75% nylon and 25% spandex, lightweight and sweat-absorbing. Cup lining is 100% polyester, breathable and elastic. Features bonding craft for a smooth, invisible fit. Soft thin cup. 1 cm double-sided tension straps for added durability. Underwire made of soft flexible material that maintains shape after washing. Designed to fit smoothly along your body's natural curves. A versatile convertible bra for every style. The wide U-shaped back design highlights the back and shoulders, making it an ideal choice for low-cut tops and backless dresses. This backless bra is a wardrobe essential that supports a wide range of fashionable outfits thanks to its adaptable design.