Seamless foam-lined underwire bra with side boning Patented Ultra-Lift boned cups & silicone lining Fully adjustable stretch straps included Conventional straps convert to criss-cross and halter 3 column, 2 row hook and eye back closure Columns and rows increase with size Stretch microfiber and mesh Content: Cups: 100% Polyester.Inner Cup: 100% Polyurethane.Lace: 65% Nylon, 23% Polyester, 12% Spandex.Back: 76% Nylon, 24% Spandex. Country of Origin: Made in United States