40 balloons, Black number 40 foil mylar balloon 40 inch number balloons, Large number 40 balloons is for 40th birthday anniversary party decorations。
Number 40 Mylar Balloon, Material: foil membrane Jumbo foil balloon 40 balloons，made of high-quality aluminum film.Please use the straw in the balloon set to inflate it slowly.
2 Pieces 40 Inch Black number balloons:No.4 Black number balloon + No.0 Black balloon .
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.You can reused the foil Mylar balloons.
If you are not satisfied with the balloon,just contact us get free replacement.
