Harry Potter and the Sorcerer's Stone Harry & Hedwig 2-Sided Balloon for Helium Original classic party balloon from "Harry Potter and the Sorcerer's Stone". Eighteen inch, self-sealing helium mylar balloon literary image on soft, aqua-blue background. Two-sided: Harry Potter with wand on glittering metallic front; Hedwig with a scroll on reverse. Made in the USA Produced in 2001 only. Limited quantities remain.