75% Nylon, 25% Spandex Imported Buckle closure Hand Wash Only 1) Multi-way deep U-shaped plunge backless bra — convertible straps allow styling 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) Low-back bralette for low-back dresses or blouses — features an adjustable single-button back strap design that can be positioned up to 5.5 inches lower than standard bras. 3) Skin-friendly, seamless, comfortable bra — outer fabric is 75% nylon, 25% spandex; lightweight and moisture-wicking. Cup lining is 100% polyester; breathable and stretchy. 4) Bonded construction for smooth, invisible wear — soft thin cups; 1 cm double-sided tension straps for durability; flexible underwire that retains shape after washing. Designed to follow natural body contours. 5) Versatile convertible bra — the wide U-shaped back design enhances visibility of the back and shoulders. Ideal for tops, low-cut dresses, and backless styles. A wardrobe essential for adaptable styling.