Precut Self Stick Removable Repositionable Reusable. Our Wall Decals WILL stick to: Inside Temperature Controlled Surfaces Clean, Even, Dry Surfaces Painted Drywall Sanded Painted Wood (no oily finishes) Plastic Glass Metal Most Wallpaper Our Wall Decals. Does not stick to: Outside Surfaces Automobiles Porous Textured Uneven Surfaces Rough or Unpainted Wood Dirty, Nicotine, Greasy, Smoky, Chalky Surfaces Brick or Cinder Block Unfinished Drywall Grasscloth Ages 3+