From Noble Excellence, this mattress pad features: Hypoallergenic Premium poly fill and has a waterproof protective base The top fabric is 100% cotton woven into a 300 thread count allergen barrier sateen fabric for ultimate protection The fabric is treated with Microban TM for antimicrobial protection as well as Scotchguard TM  which is a stain-release treatment. The NE Allergy Fresh pad is made with a ZIP and Wash construction.  Just zip off the top for easy laundering and zip it back in place.  Twin approx. 39" x 75" x18" Twin Extra Long approx. 39" x 80" x 18" Full approx. 54" x 75" x 18" Queen approx. 60" x 80" x18" King approx. 78" x 80" x 18" Imported. Each size is sold separately.