75% Nylon, 25% Spandex Imported Buckle closure Hand Wash Only 1). MULTI-WAY DEEP U SHAPED PLUNGE BACKLESS BRA-Convertible straps can be wear as low plunge bra, low back bra, backless bra, halter bra, criss-cross back bra, invisible bras, clear strapless bras, open back bra, low cut bra, wedding bras, also everyday bra. 2). BEAUTY BACK BRALETTE FOR LOW BACK DRESS OR BLOUSE- An innovative adjustable back single-button design strap creates a low-back silhouette. Bras back strap can be pulled down lower than normal bra to 5.5 inches. 3). SKIN-FRIENDLY, SEAMLESS, COMFORTABLE BRAS-The bras flank fabric is made of 75% Nylon, 25%Spandex, lightweight and sweat-absorbing. Cup lining is made of 100% Polyester,; its breathable and elastic. 4). USE BONDING CRAFT, SMOOTH & INVISIBLE, BRAS STAY IN PLACE- Soft thin cup; 1CM Double-sided tension straps more durable; Underwire made of soft wire material, washing without deformation. Perfect fit for your body curve. 5). A CONVERTIBLE BRA FOR EVERY STYLE-The big U-shaped design of the back fully shows your beautiful back and shoulders. Perfect partner to tops, low-cut and backless dresses that flaunt your sexy and charming back. The backless bras are a wardrobe staple that make wearing all kinds of fashion possible. These innovative bras can be worn with practically any outfit, thanks to their versatile construction. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!