Quality Window Stickers: These stickers are made of PVC materials. They could stick to window or smooth surfaces with water for a long time and don't fall off easily.Double-Side Window Clings: These window clings have Double-Side patterns, the means that you can see him when you stick them on the window, no matter indoor or outdoor.Easy To Stick And Remove: There is no adhesive for window stickers, you just need to clean the surface and stick the window stickers on with water. Of course, you can easily take it off without leaving a trace.Perfect Holiday Decorations: The package contains lots of different styles pattern, which can add the festive atmosphere and make your Chirstmas party memorable.Customer Service: Be Sure To Let Us Know If You Have Questions For The Product, We Are More Than Willing To Help You And Provide You With A Satisfactory Solution.