The wall sticker is made of good quality of PVC material. It is very easy to apply.It can be directly attached to the walls of the living room, bedroom, kitchen, glass, ties and son on. They are waterproof and lasting, but repeated paste may affect the original condition. How to apply: (1). Choose a smooth surface where you want to apply the sticker. Make sure that the surface is clean and dry. (2). Gently remove the decal from the backing paper. (3). Apply the decal to the wall; carefully using a soft cloth or credit card to press the decal to the wall and smooth out any wrinkles.