Batman Licensed, Printed, Crew Neck, Short Sleeve, Cotton T-Shirt. By choosing our cotton products, you support our investment in Better Cotton's mission. This product is obtained through a mass balance system and therefore may not contain Better Cotton. Your baby is safe with this outfit! Our products are tested against chemicals and produced in accordance with all safety rules. Our products are harmful to health; There are no dyes, heavy metals, small and sharp parts that could be swallowed, cords or laces.