When comparing peel-and-stick and traditional wallpaper, the better choice depends on your specific needs and space. Peel-and-stick wallpaper is more budget-friendly and easier to DIY install. On the other hand, traditional wallpaper lasts much longer and holds up better in a wider variety of spaces, including areas with moisture like kitchens and bathrooms.

If you need a stronger magnetic surface, or you need to use a different type of paint in the room (like waterproof paint in a damp basement), there are other accessible options. You could fit a steel panel over the wall, try magnetic wallpaper, or apply chalk paint instead. 

If you want an inexpensive shortcut, hang a pinboard or chalkboard on your wall. These removable options are ideal if you’re a renter who can’t repaint or plan to move in the near future.

Yes, many types of peel-and-stick wallpaper can be used in bathrooms, especially those made of vinyl or polyester. However, its success depends heavily on the level of moisture and ventilation. In bathrooms with good ventilation, such as those with fans, it can be a durable option. Peel-and-stick wallpaper may not adhere as well as traditional wallpaper in very humid conditions. For bathrooms that see a lot of moisture, like a kids' bathroom or a full bath with a steamy shower and poor ventilation, even high-quality peel-and-stick wallpaper is likely to peel over time.

Both paint and wallpaper can work in a bathroom, provided you choose high-quality products in either category. Washable vinyl wallpapers can stand up to bathroom humidity without peeling, as can semi-gloss or gloss paint finishes. However, if you’re someone who likes to redecorate often, paint may make it easier to change colors or designs more quickly. If you want full humidity protection and cleanability, tile or stone works better.