Jonhamwelbor 21 Number Balloons Gold Big Giant Jumbo Foil Mylar

Jonhamwelbor 21 Number Balloons Gold Big Giant Jumbo Foil Mylar

• VERSATILE PARTY DECORATION: Gold 21 number foil balloons can both be used as number 12 and 21 balloons. Suitable for 12th or 21st birthday party, wedding, graduation anniversary, holiday celebration, school class party, Halloween, Christmas and New Year party decoration. You can stick the gold 12 or 21 number balloons on the wall, window or door, you can inflate with both helium or air, you can even place them on the bed, floor or table to provide your party or home a good display
• PACKAGE CONTENTS: 2 Pieces 40 Inch gold number Balloons including No.2 gold number Balloon and No.1 gold number Balloon
• HIGH-QUALITY MATERIAL: The number balloons are made of aluminum foil, and the size of the balloons is 42 inches, which is 40 inches when filled with helium or air. Please use the straw in the balloon set to inflate it slowly
• INFLATION TIPS: Due to the thermal expansion and contraction characteristics of aluminum foil, please avoid filling more than 90% of air or helium. If it is over-inflated, it can easily cause the balloon to explode at high temperatures. Please avoid leaving the balloons in an outdoor high temperature environment for a long time. If the ambient temperature is too low, it will also cause the balloon to deflate. At this point, you can use the straw to inflate again
• EASY TO USE: The balloons can be inflated with either helium for floating effect or air for hanging and placement. They are reusable and can be deflated and stored for future use. The self-sealing valve makes inflation and deflation convenient without requiring additional tools or ties