Perfect For Kids Ages 4 And Up! Best Gift For Your Children Or Your Friends! Great For Collection! Color: Green Material: Plastic Features Use: Fluorescent Made Of The Darker Environment, Decorative Stickers Brighter. Using Environmentally Friendly Materials, Safety And No Pollution, In Line With European And American Safety Standards Luminous Stick Light Principle: Luminous Paste Is The Main Raw Material Storage Luminous Photo Luminescence (no Radioactivity), Photo Storage Luminous Phosphors After Being Natural Light, Fluorescent Light, Ultraviolet Light, The Energy Stored In The Stop Light,the Fluorescence Of Slowly Releasing Them, So At Night Or In The Dark, Still See The Light, Long Duration For Several Hours To Ten Hours Product Details List: Butterfly Wall Stickers * 4 Spider Wall Sticker * 4