Helium Numbered Foil Balloon 70cm

Helium in foil Balloon last 2-3 days. Hot weather can expand the balloon.
Fast movement on motor bike must use plastic bag to carry them.

Changing temperature Cold Car AC to hot humid outside sometimes caused foil balloon deflated little. inflate it again with straw.
Insert straw trough the valve, inflate, pull out straw, press to valve to seal.