Foil Letters Aluminum foil membrane set party balloon letter balloons party decoration BRIDE TO BE in SILVER. PLEASE NOTE: They are not able to float, so will need to be hung or stuck to the wall These foil balloons are self sealing and can only be inflated with air. You can use a balloon pump on these or even use a large straw to blow them up. They can even be deflated using a straw and re-used The balloon will arrive deflated The item comes as balloon only. They are not able to float, so will need to be hung or stuck to the wall PLEASE NOTE: The letter O looks like a C when it arrives, but once it is inflated, it joins to make an O.