98 % polyester 2% cotton front 100% cotton back Despicable Me Minions womens cap sleeve nightshirt, is an officially licensed product. Never worn, has tag attached. Machine washable. Size S/M 6/10 (measures approx. 19 inches wide from the seam under one arm across the front to the seam under the other arm; 34 1/2 inches in length from the shoulder seam to the bottom edge of the front hem).