Glyder Women's Dream Weaver Tank 88% Nylon, 12% Spandex Imported Flat seam garment construction eliminates chafing Built in Bra with breathable mesh lining and slits for cups (cups not included) Form Fitted Wide, soft, elastic straps keep this deep open back design snug in place through all activities Machine wash COLD, with like colors and fabrics; DO NOT USE FABRIC SOFTENERS