King Size Mattress by Tempur-Pedic, "Firm" Memory Foam. The Power base on the receipt is not included. I suggest that you go to Art Van mattress department and check it out for yourself. The mattress cover does zip off for cleaning.The mattress is 13 thick and very comfortable. The item "Mattress King Tempur-Pedic Firm Memory Foam" is in sale since Wednesday, August 28, 2019. This item is in the category "Home & Garden\Furniture\Beds & Mattresses\Mattresses". The seller is "djohn334" and is located in Petoskey, Michigan. This item can't be shipped, the buyer must pick up the item.