Helium balloon with no print. Latex balloon las 5-7 hours with helium. High quality latex balloons. Specify  in the comments the color of ribbon and pick up time. 
 
CHOKING HAZARD – Children under 8 yrs. can choke or suffocate on uninflated or broken balloons. Adult supervision required. Keep uninflated balloons from children. Discard broken balloons at once.