Just My Size Women's Super Sleek Front-Close Wire-Free Plus Size Bra (1217) Cup, Side Sling, Strap Extension: 81% Nylon, 19% Spandex; Strap Extension Lining: 100% Cotton; Inner Strap Extension: 100% Nylon; Strap Pad: 100% Polyester; Back: 76% Nylon, 24% Spandex Imported Hook and Eye closure Machine Wash Seamless 2-ply cups create shapelier curves with less show-through, Inner side-shape panels provide lift, support, containment. Wider power-mesh back stretches for flexible fit, breathes for cooling comfort, even helps smooth away bulges. Lay-flat front-hook closure allows faster on-and-off, Extra-wide padded straps help ease pressure on shoulders. Back close has six to eight rows of adjustable hooks & eyes, depending on bra size. Straps stretch/adjust in back.