Have you been searching endlessly for an all-cotton mattress pad only to find that they have polyester fill or a polyester backing and skirt? The good news is that your search is over. This mattress pad has a 100% cotton percale top. We quilt the top with a generous amount of cozy cotton fill. Then we go the extra step and add a breathable 100% cotton percale reverse. The skirt is also cotton with just a drop of Spandex to ensure a snug non slip fit on your mattress. Experience the natural cooling and moisture absorbency of sleeping on 100% cotton, while you add amazing value and softness to your mattress. Maintains plush and perfect. Fits mattresses up to 15". This mattress pad is also OEKO-TEX certified, meaning it does not contain any harmful substances or chemicals, ensuring quality comfort and wellness. Great sleep, never goes out of style. That's our Sleep Philosophy!