A combination of high-density base foam and memory foam makes this 12-inch mattress the ultimate sleep product. The tight-top cover is made of 100-percent polyester with the bottom featuring non-slip fabric and a zipper, making it a breeze to remove and wash. Compatible with adjustable bed bases and box springs. | Furniture Of America | | 12" Artemisia Mattress Roll-Packed, CertiPUR-US, Fits All Bed Bases with Plush Feel & Easy-Clean Design, Washable Cover | White | Best Buy