Dreamaker Fully Encased Waterproof Mattress Protector Protect your mattress and add an extra layer of comfort with this Fully Encased Waterproof Mattress Protector A fully encased waterproof mattress protector is the ultimate solution for a cleaner healthier and longer-lasting mattress. Perfectly crafted for mattresses up to 35 cm or 45 cmdeep, its fully encased design with a U shape zipper and Velcro enclosure guarantees a snug fit and complete coverage. Fully encased with a secure U shape zipper and Velcro closure. 100% waterproof TPU backing protects against spills and stains.