Package Include: 40 inch number balloons 2 and 1 and straw, each balloon has undergone rigorous testing to reduce the defect rate as much as possible Perfect Decorations: Green number 21 balloons are the best choice for 21th or 12th birthday party, 21th or 12th wedding anniversary celebration, company 12th or 21th anniversary party and many other party decoration How to Use: Self sealing foil balloons numbers easy to inflate, can be filled with helium at your local store or use a straw to fill up with air, can stay inflated for several Days, and there are several holes on the top to string together or to hang Thicker Material: Balloons are made of thicked nylon foil material, not easy to burst suddenly, can serve you for a long time, color uniform, spherical beautiful Risk-Free Purchase: If you aren't satisfied with your purchase, any problem please contact us first time to service for you. Quick response, 24 hours Online

How to Properly Use Aluminum Foil Number Balloons:

①Find the self-sealing valve.

②Use air pump or straw to inflate them.

(Blow air into the balloons must be slow, the available pump charge to 80%, then straw gas blowing, easy to control, so as not to break.

If there are 2 layers of aluminum foil sticky situation, must stop inflating, separate the 2 layer of aluminum foil and then inflated, or easy to damage.)

③Can be reused, prepare a thin tube. Insert the tube from the charging opening until you feel the gas flow out, gently press the balloon with your hand until the gas is released, finally,fold and collapse it.

If the balloon is filled with air, good quality of the balloon is normally not leak, it can last for several months or even half an year.

NOTE:

Do not expose foil balloons to extreme heat or they can burst.

Due to the special nature of the balloon, we can not open the balloon check. The damage rate is 0.5%.

Please temporarily find a tape to stick to the broken hole when urgent,and contact us for replacement or 100% money-back refund.