75% Nylon, 25% Spandex Imported Buckle closure Hand Wash Only 1) 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, or everyday bra. 2) Backless bralette for low-back dresses or blouses — Features an adjustable single-button back strap design that creates a low-back silhouette. The back strap can be adjusted down to 5.5 inches. 3) Skin-friendly, seamless, comfortable bra — Outer fabric is made of 75% nylon and 25% spandex, lightweight and moisture-wicking. Cup lining is 100% polyester, breathable and elastic. 4) Bonded construction for smooth, invisible wear — Soft, thin cups; 1 cm double-sided tension straps for durability; soft underwire that retains shape after washing. Designed for a secure, flattering fit. 5) Versatile convertible bra — The large U-shaped back design highlights the back and shoulders. Ideal for tops, low-cut dresses, and backless styles. A wardrobe essential for versatile styling.