The Malouf SLEEP Tencel Smooth Mattress Protector in California King size is a breathable and waterproof option for keeping your mattress clean and protected. Made with 100% cotton fill and a hypoallergenic design, this abstract-patterned protector is machine washable for easy care. With dimensions of 84 inches in length, this white mattress protector is ideal for maintaining a comfortable and hygienic sleeping environment in your bedroom.