Kaleidoscope 34" Jumbo Number 1 (One) Foil Mylar Balloon, Silver Jumbo, 34 inch size Mylar balloon gets major attention, nearly 3 feet Eye-catching balloon measures 34" when inflated Top-quality balloon floats for 1 week minimum with helium Self-sealing balloon valve seals itself during inflation, just add ribbon and a balloon weight Mix with other numbers to spell a special birthday age - 16, 21, 30, 40, 50, 60, 70, 80, 90, 100