A Pack of 50 Helium Quality Rock n Roll 28cm Latex Balloons 2-Sided Print This is a pack of uninflated balloons. Balloons are a 28cm (11inch) balloon, they can be filled with Air or Helium. They are made of latex which is 100% bio-degradable. These balloons are also available in store individually for $1.00. IN STORE HELIUM INFLATION SPECIAL — Printed Party Starter Special – 15 Printed Helium Balloons for $37.50 – Price includes matching colour ribbon and put in a bag for easy and safe transport.