100th birthday balloons mark the centenary in style, with a giant '100' foil, gold and pearl latex and 'Happy 100th' script. Pair them with your 100th birthday party supplies, or browse more milestone birthday balloons across the balloons range. Sent ready to go, a 100th birthday balloon in a box takes the fuss out. Stand the three giant '1', '0' and '0' foils in a row behind the cake, they make a proper centenary backdrop for the card from the King.
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