TANZKY&reg; Women's Nursing Maternity Bra (M, Blue Purple Polka Dot) 94% Cotton,6% Spandex Imported 94% Cotton, 6% Spandex; Suitable B/C/D Cup No underwire, Great for breastfeeding access for mom and baby Women's Nursing Maternity Bra extremely durable and downright sexy Cotton spandex fabrics is very soft and breathable make you comfortable This high quality material feels great against your skin and makes you feel great when you wear it