Add a touch of magic to your party with this 1oz bottle of disappearing ink. Perfect for novelty party gags, pranks, and jokes, this toy is sure to entertain your guests. The brand, RI, is known for its quality products that are both fun and functional. This item is a great addition to any party supplies, especially for those who love to pull off unique stunts. It falls under the categories of party gags & tricks, party supplies, greeting cards & party supply, and home & garden. Get ready to wow your friends with this amazing trick!