Qualatex's St. Patricks Day Shamrock Latex Balloon.
First of all, these St. Patrick's day! Shamrock Latex Balloons colours are lime and Emerald Green with shamrocks on them with the message 'Happy St. Patrick's Day!' making this specifically brilliant for your Paddy's day celebrations.
Furthermore, the balloons inflate to 11" and are round in shape.
All in all, they can helium filled or air filled and 25 balloons come in a pack.