The most protected comforter you will ever own. The manufacturer represents a leap forward in the technology of fabric making. Made via nanotechnology, they resist water and stains while retaining 100% of the natural feel of the cotton fabric. It is not a coating and will not wash out, so the product is long lasting. So this comforter will stay fresh and clean for a long, long time. Microfiber Cover with Super-soft polyester fiberfill.