Crown 40 inch Large Happy 18th Birthday Pink Number 18 Foil Balloon Birthday Party Decorations Supplies Perfect for many Occasions celebration Birthday Party, Weeding Anniversary, Graduation, Bridal Shower, New Year Eve, Big events, School class parties, Business celebrations and Other Party Occasions you want to celebrate. How to Blow UP 1 Find and open the inflation tab 2 Insert the air pump into the inflation tube 3 Press the self-sealing tail after finishing bloing up 4 Blow up the balloon into around 90% full How to Deflate 1 Find a straw suitable to insert into the inflation tube 2 Stick the straw though the inflation tube insert slowly until hearing the hissing sound 3 Pressing softly until the balloon flat 4 Now is deflated and you can keep ot to use next time