100%cotton.Cotton jersey fabric,soft and comfortable,fit for kids soft skin.Durable stiching,fit for active girls.Cartoon print Set with sweet princess style,soft and cute ,your girls will like it. Good stitching and well made,durable.Our products have been sold in the American market for many years and have won high praise from customers. 13pieces package :Short Sleeve T-shirt and shorts.Machine Wash，Won't shrink in wash.