The Futon Shop 2-Inch Pure Wool Mattress Topper, Queen, Natural 16-20 Pounds of All Natural Chemical Free Virgin Wool 100% All Natural Wool with Poly Cotton Case; Measures 60 Inches by 80 Inches 10-12 Year Life Expectancy; Chemical Free; Temperature Regulating; Hypoallergenic; Anti-microbial, Anti-bacterial; Dust Mite Resistant