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 FOR LOW BACK DRESS OR BLOUSE – An innovative adjustable back single-button design allows the strap to be positioned lower than a standard bra, creating a sleek low-back silhouette. The back strap can be adjusted down to 5.5 inches. SKIN-FRIENDLY, SEAMLESS, COMFORTABLE BRA – The bra's outer fabric is made of 75% nylon and 25% spandex, offering a lightweight, sweat-absorbing feel. The cup lining is 100% polyester, providing breathability and elasticity. BONDING CRAFT, SMOOTH & INVISIBLE – Features soft, thin cups; 1 cm double-sided tension straps for enhanced durability; and a flexible underwire that maintains shape after washing. Designed to stay in place and provide a seamless fit that follows your body's natural curves. A CONVERTIBLE BRA FOR EVERY STYLE – The wide U-shaped back design highlights the back and shoulders, making it ideal for pairing with tops, low-cut, and backless dresses. This backless bra is a wardrobe essential that supports a wide range of fashionable outfits through its versatile design.