Partywoo Green Large Balloons, 4 Pcs 36 Inch Balloons, Clover Green Big Balloons, Malachite Green Giant Balloons, Jumbo Balloons For Birthday Party Decorations, Baby Shower Decorations, Green-Y24Package includes 4 pcs 36 inch balloons, ideal large balloons, big balloons, giant ballons for birthday decorations, party decorations, wedding decorations, baby shower decorations Made of latex, safe and non toxic, recommended to use with a balloon hand pump or electric balloon pump Latex balloons filled with AIR will stay full for up to 72 hours, while with HELIUM will stay full for 3 6 hours. Fill helium 1 2 hours before your event for best float