Jonhamwelbor 21 Number Balloons Silver Giant Jumbo Big Large Number 21 Foil Mylar Balloons for 12th or 21st Birthday Party Supplies 12 or 21 Anniversary Events Decorations

Jonhamwelbor 21 Number Balloons Silver Giant Jumbo Big Large Number 21 Foil Mylar Balloons for 12th or 21st Birthday Party Supplies 12 or 21 Anniversary Events Decorations

• PERFECT SUITABLE FOR: Silver Number 21 foil Mylar balloons are the best choice for: 21st birthday party,21st wedding anniversary celebration,company 21st anniversary party and many other party decoration.
• PACKAGE CONTENTS: 2 Pieces 40 Inch Silver number Balloons:No.2 Silver number Balloon + No.1 Silver number Balloon.
• CHOOSE THEM: The silver 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.
• TIPS FOR NUMBER BALLOONS: 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.
• SERVICE: We are committed to providing customers with better products. If you have any questions, please contact us in time, we will do our best to solve the problem for you.