Happy Birthday Letter Foil Balloon Set in Multi Color for Decoration. Banner for Boys, Girls, Husband, Wife & Friends. Best Foil Banners Toy Letters Balloons Item: 16 Inch Foil Balloon Set Material: Foil Packaging: 13 pcs/poly bag Size: 16'' Use: Decoration/Party/Event 13pcs/lot: HAPPY BIRTHDAY Size before inflate: 36cm After inflated size about 34cm*30cm Color: Gold Feature: It is a perfect toy for kids and adults. It can be filled with helium or air. It can be self-sealed after being filled.