DC Comics Batman Boys' Classic Cotton Tight Fitting Pajama, Black, 4 100% Cotton Pull On closure FROM THE MANUFACTURER: Our Pajamas are made with high quality yarns that will keep your child warm, cozy and relaxed when they go to sleep. We specialize in character Kids, Toddler, Infant and Baby sleepwear for all ages! Our pull on bottoms include no-pinch elastic waistband and our tops feature heat-sealed tags. ABOUT THE BRAND: Our wide variety of authentic DC Comics & Justice League pajamas and underwear, celebrate superhero comic book characters including Batman, Superman, Wonder Woman, Robin, Aquaman, Cyborg and DC Superhero Girls! GREAT AS A GIFT: Perfect for a Christmas Gift or Holiday present! Make every night before bed a Superhero Halloween Slumber Party! Your child can dress up in these Costume Pajamas and save the world! CARE INSTRUCTIONS & FIT: Machine Wash. Our Pajamas are compliant with CPSC legal and safety guidelines. Childrens Cotton Pajamas are required to be tight fit, and your true size will be snug fitting. If you need a roomy fit, order a size up. Questions? Contact us and we will help you select the right size for your child. Flame Resistant (FR) Pajamas (Polyester) are manufactured with flame resistant yarns. They are a normal fit and not snug fitting. Please review the size chart before ordering! OFFICIALLY LICENSED PRODUCT: Our DC Comics Pajamas are officially licensed and approved with the consent and permission of WB Warner Brothers Studios.