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 — adjustable back single-button design allows the back strap to be positioned lower than standard bras, down to 5.5 inches. 3) Skin-friendly, seamless, and 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 fit — soft thin cups; 1 cm double-sided tension straps for durability; underwire made of flexible, non-deforming material. Designed to conform comfortably to body contours. 5) Versatile convertible bra — the wide U-shaped back design highlights the back and shoulders. Ideal for tops, low-cut dresses, and backless styles. A wardrobe essential for versatile styling.