About GIFLOON: Welcome to GIFLOON online! Your One Stop Party Shop! GIFLOON is an manufacturer company, committed to Events & Gifts Supplies, Party Supplies, Mylar foil balloon, Number balloons, Birthday, Wedding, Baby shower, Anniversary, Grad Party Decorations. Product Information: Package include: 1pcs number 2 balloon+1pcs Straw Size: 40 inch large Color: Light Blue number balloon with gold crown How to use foil Number Balloon？ ~ Find the self-sealing valve, Number balloon has a self-sealing valve, Which is the place to inflate ~ Use a straw or pump to inflate a number balloon with helium or air, number foil balloons can float with helium, while it will not float when filled with air ~ Inflate slowly, just fill 95% of the balloons space that could allow the balloon to expand completely ~ After filling, pinch the self-sealing valve by hand to prevent the gas from leaking out ~ Foil balloon can be reused, use the straw to deflated balloons after party end Number 2 Balloon, Perfect for your birthday, anniversary and other events party decorations!