The Sealy® Luxury Knit Fitted Mattress Protector is designed with a soft knit fabric that offers cool, breathable comfort all night. The waterproof backing and stain-release finish prevent stains, spills, water and urine from ruining the mattress to help extend mattress life. The flexible stretch sides will accommodate mattresses up to 15 inches deep. To complete the collection, check out the Sealy® Luxury Zippered Pillow Protector.Dimensions: Twin Mattress Protector: 39 in x 75 inFull Mattress Protector: 54 in x 75 inQueen Mattress Protector: 60 in x 80 inKing Mattress Protector: 78 in x 80 in Luxury Knit Fitted Mattress Protector