A waterproof mattress cover is a protective layer designed to shield your mattress from spills, stains, and allergens. Made from materials that repel liquids, it helps maintain the cleanliness and longevity of your mattress, making it an essential item for households with children or pets. These covers are typically easy to clean and can be machine washed, ensuring hygiene and convenience. Many waterproof mattress covers also feature breathable fabrics that enhance comfort while providing protection. They come in various sizes to fit different mattress dimensions, making them a versatile addition to any bedroom.