100% natural, biodegradable latex with no added fillers. With Ultra Hi-Float balloon flight extender, you can increase the float time of helium-filled Amscan latex balloons by up to 25 times. Designed to be inflated with air.
See Hi-Float in balloon accessories section
Bag of 6 latex balloons, Size: 11″ (28cm)
Float time without Hi-Float: inflated with air = 10 days / inflated with helium = 9-15 hours
Float time with Hi-Float: helium inflation = 6 to 10 days