There are several different types of duvet cover materials. Each material has unique strengths and advantages. Three of the most popular duvet cover materials are cotton, silk, and satin. All three of these materials are high-quality and long-lasting. Consumers must choose which material is right for them.When purchasing a duvet cover, it is important to note the thread count of the material. The thread count is the number of fibers in each square inch of material. Fabrics with a higher thread .