Made Of High Quality Aluminium Foil, No Leaks And Can Last For Weeks.Made Of High Quality Aluminium Foil, No Leaks And Can Last For Weeks.These Are Large Bright Colored Foil Mylar Helium Ballons Will Decorate Your Valentine'S Day Wedding Party In A Colorful Way.Blow Them Up With Either Your Mouth, Air Balloon Pump, Or Helium.Great For Small And Large Events Decoration. Use Them For Valentine's Day, Wedding Party, Proposals, Anniversary And Special Occasions.This Balloons Are Perfect For Valentine's Day.