Peel-and-stick wallpaper offers the convenience of repositioning during installation. 

This means that if the wallpaper is not perfectly aligned or you want to adjust its placement, you can gently peel it off and reposition it without damaging the wall or the wallpaper. This flexibility makes it easier to achieve a flawless look right from the start.

However, it is important to keep in mind that repeatedly repositioning the wallpaper or attempting to adjust it after it has been adhered for an extended period may reduce the adhesive's strength. Over time, the adhesive can lose its stickiness, which might cause the wallpaper to adhere less securely than intended. To ensure the best results, try to minimize the number of times you reposition the wallpaper and apply it carefully during the initial installation.