This Is A New Design And Brand New Item Best Gift For Your Children Or Your Friends! At night, turn on your room lights for the sticker to get "charged". After 5 minutes, turn your lights off and you will see your sticker shining brightly as shown in the picture above! Great For Collection! Attach the enclosed mini two sided stickers and stick one side and the other side to a clean and smooth surface. Great for brightening up a kid room in day & night Pretty butterflies can be stuck to a wall (on smooth surfaces) with sticky-pads provided & glow for a while in pitch-darkness Can be used over and over again Product Material: Plastic Dimension: Approximately from 7.5 CM Note: these are great fun but are not magic - the material absorbs light so needs a light source to charge, then emits a low glow for a short while in pitch darkness 1 x Pack Glow(8PCS)