Waterproof Mattress Protector. Protect your valuable mattress from accidents and spills with our high performance waterproof mattress protector. Made of a tightly woven fabric, made of 40% rayon made from bamboo and 60% polyester fiber, the mattress protector is hypoallergenic and dust mite resistant. The deep pockets of the durable skirt are made with 100% polyester knitted fabric. Available in multiple sizes. Each mattress protector is packaged in a rope handled, zippered poly bag. Attractive product photo and care instructions included. The dimensions for DMPRO103 (queen) are approximately 60" x 80" x 14" The dimensions for DMPRO104 (king) are approximately 78" x 80" x 14" The dimensions for DMPRO105 (California king) are approximately 72" x 84" x 14"