These daycare wall stickers can meet wide application for living room, playroom, nursery,bathroom, bedroom, classroom,doors, glass windows,etc.Clean the walls to make sure they are free of dust, oil and water,then just peel and stick.These nursery wall decals can be widely applied to most of smooth, flat, dry and clean surfaces.If the wall is dusty, the kids room stickers will fall off. To prevent curling after sticking, put the kids wall stickers under the weight and flatten them.