3 different colors of slime Super iridescent, metallic colors Boron-free Internationally advertised Residue-free It's the most magical slime you've ever seen! Multi-colored and full of shimmer, this OrbSlimy UnicornRainflo Slimy is feels like a rainbow dream. Swirl and mix all the colors to create a magical fantasy-land effect. OrbSlimy UnicornRainflo Slimy is the best quality slime available on the market, meaning there is no sticky residue, just hours of slimy play.