28CM LATEX BALLOONs - hELIUM GRADE QUALITY 100% BIODEGRADABLE

These are 28cm helium grade quality, 100% biodegradable latex balloons, suitable for filling with air or helium.
If inflated to the correct size, these balloons will float for 10 to 12 hours with helium.
if you use Ultra hi float, they will float for several days, in controlled conditions.