Give yourself peace of mind with our Bamboo Mattress Protector and protect your valuable mattress against accidents, including spills, urine, and perspiration. No more worrying about getting your mattress wet or badly stained, and get to enjoy the comfort of your mattress. Perfect for children, pets, and any other messy accidents.  40% Bamboo 60% PolyesterMade from Hypoallergenic Soft & Breathable FabricAnti-fungal & AntibacterialWaterproof & SweatproofElasticized skirt provides a secure fit on a mattress of 15" DeepMachine Washable DimensionsTop Split King Size: 78 X 80 inches (has a 32" Split from the top middle made specially for Flex King Top Split King Mattress)