A new mattress is a big investment, and the Mattress Cover is specifically designed to help you protect your investment. Best Quality 100% Waterproof Bed Covers ( Fitted Cover ). Our Waterproof Bed Covers can be used by anyone. The mattress protectors can be used by adults to protect their own mattresses, toddlers, kids, in student dorms and for seniors too. This mattress protector will certainly keep your beds clean, thereby extending the lifespan of your current mattress and preventing any accidental spills or stains to your expensive mattress.