Whether you're in search of a cooling mattress topper, a waterproof mattress protector, a bamboo mattress protector, or a luxuriously quilted option, our edit has something to cater to every need. By analysing customer reviews, conducting hands-on testing, digging into your most frequently asked questions and reviewing search data, I've narrowed down the very best mattress protectors and covers available to shop right now. I've spent the past five years covering interiors and sleep as a shopping writer, testing everything from mattresses and bedding to bed frames, duvets and sleep tech.