This convertible, underwire bra features inner side support slings for added lift and support. You can also go crisscross style with the convertible straps. Outer Cup: 88% Polyester, 12% Spandex; Center Belt Linings: 100% Nylon; Back Center Belt: 92% Nylon, 8% Spandex; Top Cup: 68% Nylon, 32% Spandex Imported Hook and Eye closure Hand Wash Only FEEL THE LIGHT - Ultra-light underwire bra for natural support without bulk. OH-SO SMOOTH - Smooth and seamless to disappear under tees and clingy clothes. THE INSIDE STORY - Constructed with a soft inner sling for added support and shaping. THE BACK STORY - Two-ply back with deep U shaping for extra smoothing and fashion flexibility with low-back styles. WEAR 2 WAYS - Straps convert from straight traditional to crisscross for all kinds of fashions. SHEER BRILLIANCE - Sheer neckline trim is both pretty and cool. HAND WASH - Bali recommends washing your underwire t-shirt bra by hand in cold water to preserve the shape and save energy.