100% Cotton Each product is unique due to hand dying. Please expect small differences. Tagless Label to help protect your child's delicate skin. Machine wash cold, inside out. Imported. Your child will be comfortable and cozy in Leveret cotton long sleeve tie dye pajamas. As a natural product, cotton may shrink 1-3 inches after washing. These pajamas are designed to fit snugly for fire safety reasons. We recommend sizing up if your child is above average.