Jonhamwelbor 17 Number Balloons Black Big Giant Jumbo Big Large 17 or 71 Foil Mylar Helium Number Balloons Black 17th 71st 71 Years Old Birthday Party

Jonhamwelbor 17 Number Balloons Black Big Giant Jumbo Big Large 17 or 71 Foil Mylar Helium Number Balloons Black 17th 71st 71 Years Old Birthday Party

PERFECT SUITABLE FOR: Black number 17 foil Mylar balloons are the best choice for: 17th birthday party,17th wedding anniversary celebration,company 17th anniversary party or 71st birthday wedding anniversary party decoration.You can stick the black 17 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,provide your party or home a good display. PACKAGE CONTENTS: 2 Pieces 40 Inch black number Balloons:No.1 black number Balloon + No.7 black 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. PERFECT SUITABLE FOR: Black number 17 foil Mylar balloons are the best choice for: 17th birthday party,17th wedding anniversary celebration,company 17th anniversary party or 71st birthday wedding anniversary party decoration.You can stick the black 17 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,provide your party or home a good display.PACKAGE CONTENTS: 2 Pieces 40 Inch black number Balloons:No.1 black number Balloon + No.7 black number Balloon.CHOOSE THEM:The black number balloon is made of high-quality aluminum film that empty balloon is 42 inch,after filled with helium or air,it's 40 inch.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 do our best to provide customers with better products. If you have any questions, we promise to give you a satisfactory answer without any delay.