How to remove wall stickers without leaving marks?

In fact, for the wall decal removal method is a lot of individuals can recommend you a way to use a hair dryer. The heat of the hair dryer can soften the wall stickers using a hair dryer after blowing out a corner. Then directly pinch the corner of the hand to tear the wallpaper. There is also a way to use sandpaper to grind off the wall decal traces little by little and then re-create a more comfortable home environment.