Viking birthday latex party balloons 12 count Size: Standard 12" balloon size Use: Arrives deflated, can be filled with air or helium Party theme: Viking, boat, axe Material: Quality latex does not include strings, do not leave package in extreme heat as this can damage the material, all balloons are tested before shipping and should not pop. We add an extra balloon to every order incase of any issues caused by transportation or overfilling, thank you for your understanding. 12 count viking balloon mix, (4) viking (4) boat (4) battle axe. 1 extra balloon will be included in case of any oversight all balloons are tested prior to shipping. If for any reason balloons pop they may have been exposed to extreme heat or sun exposure. Inflate slowly, do not over inflate and do not leave in direct heat or sunlight exposure. For best results inflate balloons close to the time of the event and never days in advance.