Patent ID: 7507455

Claim:
A foil balloon which enables a user to print a customized design on both sides of the balloon, comprising: a carrier including a central opening; a first foil attached to a first side surface of the carrier; a second foil attached to a second side surface of the carrier; and a valve mounted between the first and second foils and disposed at a position corresponding to an inner edge of the opening, wherein a heat sealed portion is formed around the inner edge of the opening on each of the first and second foils after heat sealing the first and second foils together, the valve is sealed by the heat sealed portions of the first and second foils to form an airtight enclosure between the first and second foils at positions corresponding to the inner edge of the opening with only one passage passing the valve to communicate with outside, and perforations are formed on each of the first and second foils at a position between the heat sealed portion and the inner edge of the opening.