The Very Hungry Caterpillar Happy Birthday Mylar Balloon has a colorful dotted border and an illustration of The Very Hungry Caterpillar in the center. Add coordinating colors of latex balloons to this Mylar Balloon for an imaginative birthday balloon bouquet. Made of mylar foil Measures 18 in diameter Printed on both sides Helium quality (helium not included) Easy to inflate and self-sealing ERIC CARLE THE WORLD OF ERIC CARLE THE VERY HUNGRY CATERPILLAR and certain related names and logos are registered and/or unregistered trademarks of Eric Carle LLC. Copyright 2014 Eric Carle LLC. All rights reserved.