Item is open box but not used. Box has some damage. Protect your mattress from spills and allergens with this Aller-Ease waterproof mattress protector. This king-size protector is made of polyester and polyester blend fabric, and features a solid white color. It is designed to fit a mattress with dimensions of 79.5 x 77.5 x 13 inches, and is machine washable for easy care. The Aller-Ease Maximum Mattress Protector is perfect for anyone looking to keep their mattress clean and free from allergens. It is waterproof, has a zipper closure. This mattress protector is suitable for adult use and is not assembly required.