1.Balloons use pump up(inflatable 80%,charge much would burst),then stick on wall or other.like picture.if you need pump,you can find in my store.

2.Fully nitrogen,then balloons can float in the air.

• 1.this listing include 13 gold letters "HAPPY BIRTHDAY" +1 Bottle + 1 Glass + 1 Cake+ Double-sided adhesive + Straw
• 2.Foil balloons ,use pump or straw inflate,If you want it to float up, need nitrogen.
• 3.This product automatic sealing,after inflation, hand pinch the sealing and Use double-side tap to stick it on wall.
• 4.This produce can unse repeatedly ,after used ,you can use a straw to deflate,then we can use it again next time

1.this listing include 13 gold letters "HAPPY BIRTHDAY" +1 Bottle + 1 Glass + 1 Cake+ Double-sided adhesive + StrawSPRITE WORLD