About this item 【Packaging content】40 Inch number“20” Aluminum Foil Balloon * 1,Ribbon *1,Straw *1. 【Material】The Balloon is Made of High-Quality Aluminum Foil, Durable and Shiny. Keep Plump and Airtight For A Long Time. 【Easy to Use】Use The Plastic Straw In The Packaging to Inflate The Balloon (Or Use an Inflation Pump, Which Needs To Be Configured By Oneself). Balloon On Walls, Windows, Curtains, Ceilings, Backyard, Or Any Other Place You Think Will Look Good, Whether Indoors Or Outdoors. 【Applicable Scenarios and Scope】Birthday Digital Balloons Can Bring Eye-catching Decorations to Your Birthday Party, Suitable for Birthday Parties of All Ages Such As Children, Girls, Boys, and Youth. It Can Also be Used for Parties With Specific Numbers for Commemoration and Celebration.