Majamas Celia Maternity Nursing Gown 95% Modal, 5% Spandex Can be used for maternity and nursing Works as a day dress or sleepwear Easy breastfeeding access through neckline 92% Ployester/ 8% Spandex Machine wash cold with like colors on gentle. Tumble Dry Low Sizing (Order Pre-pregnancy Size) 4-6 = S | 8-10 = M | 12-14 = L | 16 - 18 = XL