Ultimate protection - it has a super zipper closure which is fully encasing your babies and toddlers mattress, keeps moisture out completely!  Water registant – provides protection on all 6 sides of mattress. Seals out moisture, sweat & anything wet. Breathes well, doesn't make you sweat or feel hot. Clean and healthy - keeps your child's mattress clean by blocking out the things you don't want on it. 100% Safe for your kids.100% Quiet and soft - no crinkling or annoying sounds like most waterproof covers. Stays in place while sleeping. Ultra-plush and soft to touch, mam and kids will love it. Easy wash & care - machine wash and dry, they wash well and beautifully and hold up. Will not tear or crack. Excellent fit & quality. 100% Satisfaction guaranteed.