Sarah Peyton Cool Memory Foam 3-Inch Queen Topper 1-1/2-Inch Viscoelastic "Cool Wave" Memory Foam top layer with air flow ducts and cooling channels 1-1/2-Inch high- density supportive base foam Molds to your body and eliminates the uncomfortable pressure-points and motion transfer common in most innerspring mattresses Non-skid bottom prevents buckling so your topper does not slide Zippered, white velour cover is easily removable and washable and memory foam is resistant to dust mites 1-1/2-Inch Viscoelastic "Cool Wave" Memory Foam top layer with air flow ducts and cooling channels 1-1/2-Inch high- density supportive base foam Molds to your body and eliminates the uncomfortable pressure-points and motion transfer common in most innerspring mattresses Non-skid bottom prevents buckling so your topper does not slide Zippered, white velour cover is easily removable and washable and memory foam is natually antimicrobial and resistant to dust mites