Soft Duvet Cover. Simply slip it over your comforter, duvet insert, or alternative down comforter sets. This Duvet Covers is very useful, it will protect your comforter and is super easy to remove and wash. Queen Size Duvet Cover measures 90" x 90" inches. With button closure. Includes 2 pillow shams 20" x 26" inches with a 1 1/2 inch flange. Microfibers are as soft as 1500 thread count Egyptian cotton - %100 HYPO-ALLERGENIC.