Accidents happen, so make sure you protect your kiddo's mattress for long-lasting use with the help of this Mattress Protector Cover from Pillowfort™. It has four fitted elastic corners for a sure fit and a waterproof design to keep any messes from seeping into the mattress. With the ability to easily fit over mattresses with a depth of up to 12 inches, you can simply toss this kids mattress protector cover into the washing machine when any accidents happen for quick cleaning.