Sticky and gross, these Glow-In-The-Dark Sticky Eyes are the perfect addition to your Halloween! These vinyl Halloween toys are sure to make kids and adults alike squeal in fear. As Halloween decorations, party favors or trick-or-treat giveaways, you’re sure to find so many fun ways to use them during Halloween! Vinyl. (4 dozen per unit) 3/4" (19mm) Expose items to daylight to activate glow.