Thomas O'Brien&reg; Navy Ikat Duvet Cover and Sham Set - King Size King Duvet Cover 108x94". 2 King Size Sham 20x36" Weave Type: Percale. Thread Count: 325 Decorative Accents: Double Needle Stitching. Closure Type: Button. Fiber Content: 100 % Cotton Fabric Treatment: Mercerized