Clean Design Home® x Martex® introduces the Palais Duvet Cover Set. This soft cotton sateen cover is expertly woven with a unique technology that creates a micro barrier against dust, dander, and other allergy triggers. Clean Design Home® x Martex® is a collaboration with lifestyle expert Robin Wilson focused on creating a collection of bed and bath products to support an allergen-aware lifestyle. 100% cotton uniquely woven to block allergens more than 5 microns in size