5-inch (12.7cm) Latex balloon inflated helium can float for 2-3 hours,
10-inch (22cm) Latex balloon inflated helium can float for 4-8 hours,
12-inch (28cm) Latex balloon inflated helium can float for 6-12 hours,
Above 18-inche Foil balloon inflated helium can last 3-7 days,
FLOATING FOR 30 DAYS SERIES Foil balloon inflated helium can last 28-30 days
