Easy to useCover the back sheet and paste it one. It should be pasted on a smooth wall. Repeated pasting may shorten the service life. (Unpack the sticker and keep it under sunlight or artificial light for at least an hour Eco-Friendly & RemovableMade of eco-friendly PVC, the glossy material is non-toxic and eco-friendly, which makes them completely safe for children. Perfect gift for KidsA ceiling solar system is a fantastic educational gift for an aspiring astronaut or any curious child.A fantastic birthday Christmas holiday gift for toddler friends. Dinosaur Gift for BoysDinosaur wall decal for boys bedroom decoration, wall sticker for boy living room decoration, wall decal for boy Bedroom accessories, cool dinosaur boys wallpaper, luminous dinosaur stickers fit for baby kids room bedroom wall decoration too, ideal dinosaur gifts for boys teen!