Sleep Philosophy Memory Foam Mattress Protector Cooling Bed Cover California King White 100% Memory Foam Imported Set includes: 1 mattress Topper Cover: 250Gsm knit with3 moisture management Face, 100Gsm anti-slip reverse closure Inner: 90Gsm polyester jersey foam: 100percent memory foam Measurements: 72-by-84-inch mattress Topper with 2 inches thickness Cover: machine washable memory foam: spot clean with mild detergent