<p><b>Perfect 40-inch Number Balloons for 40th 21st 30th 18th 60th 16th 19th 4th 50th 1st 31st 2nd 3rd 5th 66th 39th 20th 10th 70th 80th Birthday Balloons,Anniversary, 2019 Graduation, Class of 2019, Senior Picture Day, New Year Eve,Wedding, Ceremony and Other Party Supplies.</b></p ><p> </p ><p><b>Features and Specification:</b></p ><ul><li>These number balloons are made of food grade material, safe and non-toxic; </li><li>Strong and light, can be float just fill 90% of the birthday balloons’space with hydrogen or helium;</li><li>Color uniform and beautiful, even can be used as a mirror;</li><li>Can be reused, deflated balloons after party end;</li><li>100% Money Back Guarantee</li><li>Quick Customer Service Responses</li><li>Balloon Size: 40-inch Number balloons</li></ul><p> </p ><p><b>How to Use Foil Balloons:</b></p ><p>Inflate slowly,just fill 90% of the balloons’ space that could allow the balloon to expand completely.</p >