Waterproof Bathroom Vanity Cabinet Waterproof vanity cabinetsare ideal for those who live in areas with frequent flooding. These cabinets are made from durable materials that can withstand even the heaviest rainfall. The cabinets also have tight fitting doors that keep water and debris out, making them a safe place to store personal items. If you're looking for a way to increase your bathroom's functionality and attractiveness, you should consider investing in a waterproof bathroom vanity. This type of vanity uses a waterproof sealant to keep water from entering the vanity, which can make it easier to clean and increase its functionality. Plus, waterproof vanities are often more attractive than traditional vanities, since they don't show dirt or water stains as easily.