2 Installation Methods - 3M Adhesive Installation: No complicated process, just peel and stick, it is done in 60 seconds. The walls were not damaged or collapsed. It will not rust, peel, corrode and is waterproof, making it durable and reliable. It can also be installed by drilling.Multifunctional Toilet Paper Holder with Shelf: When you go to the bathroom or shower, our grooved toilet paper holder provides enough space for you to store your cell phone, glasses, books, watches or other small items. Over time, you won't have to worry about items falling into the sink or onto the floor. Built-in Phone Holder: There is a convenient storage holder on the top of the roll to hold your phone, tablet, watch, wallet, wipes or any other small items you carry with you, which is a practical and thoughtful design when you go to the bathroom or shower. It can not only be used in bedrooms, bathrooms, but also as a kitchen towel rack. Meet your different needs.