Description Self-Sealing Mylar Foil Balloon Indefinite Shelf Life Printed on Both Sides, unless Otherwise Noted Will Remain Inflated for Weeks Can be "Topped-Off" with Helium when Needed Customers Also Viewed 18" IT'S YOUR BIRTHDAY DOTSW15813-45 $1.49 $0.90 Add to Cart 18" HAPPY BIRTHDAY BALLOONSW15818-45 $1.49 $0.90 Add to Cart 18" ANNIVERSARY GLASSESW15869-45 $1.49 $0.90 Add to Cart Related Products 18" HAPPY BIRTHDAY CANDLESW19369-45 $1.49 $0.90 Add to Cart 18" HAPPY BIRTHDAY BRIGHT STARSW15128-45 $1.49 $0.90 Add to Cart 18" GROOVIE HAPPY BIRTHDAYW15812-45 $1.49 $0.90 Add to Cart