While creating your custom Wallpaper, we ensure to include all necessary quality assurance checkpoints to guarantee a flawless product. Always check the wallpaper before hanging it to ensure there are no production defects. If you find any flaws, please contact us before you start installing the wallpaper, and we will replace it with a new one, free of charge. Please note our returns window is 40 days and the item must be returned in its original condition.