Size:B2B Silver Balloon|Color:SilverThis package contains 9 pcs foil balloon in letter shape. The balloons will come flat and inflating will be needed. They can be glued taped or hung however you like them to be placed. To inflate the balloons simply insert a straw into the plastic valve at the bottom of the balloon and slowly blow into it. When the balloon is sufficiently inflated pull out the straw and pinch the self sealing plastic valve. The balloons will stay inflated for days. Note: these balloons are not meant to be inflated with helium. Balloons will not flow in the air. Warning: due to the balloon is not made of normal latex material. The overpowering air Presure from the machine might damage or burst the balloon. Be careful.