Neon Groovy Flowers Black Light Reactive Wall Decorations. Add explosive Neon Color to your room! These stick on wall decoration easily stick to any surface with out causing damage, stay put and can be moved at any time! Stick um' everywhere: Walls, Ceilings, Doors, Windows, Dressers, Lockers and even school books... The possibilities are endless. Each decoration is molded plastic in extreme neon colors that come to life when exposed to UV black light. Each pack comes complete with over 24 pieces in assorted sizes and colors.