Lookatool&reg; Removable Wall Sticker City Buildings Art Decals DIY Home Decoration PVC Imported 100% brand new and high quality. Non-toxic, environmental protection, waterproof Material:PVC. Size:About 60*90cm Can be applied to any smooth surface, such as glass door, window pane, ceramic tiles in kitchen or bathroom, glasses, home appliance, air-condition, and car body How to use: 1. Choose a smooth, clean and dry surface. Peel the stickers from the sheet one by one. 2. Position the adhesive on a plane surface without pressing them, so that it let's possibility to withdraw them and reposition again,if needed. 3. If the result is satisfactory for you, stick firmly to the surface pressing the air bubbles outwards. 4. If you have bubbles, take a needle to bore them. 5. Clean the smooth surface before sticking it on.