MALOUF Z Cotton Encased Down Blend Pillow - King Size Soft down and feather blend creates a consistent loft that is naturally supportive and breathable Outer cover has a layer of soft, thick cotton that encases the pillow and blocks sharp quills Dual encasement reduces dust mites and allergens commonly found in single encased down pillows 250 thread count cotton percale cover with soft cotton layer is removable for washing King size medium firm feel - great for any sleeping position - 16" x 35" with 6" loft - 3 year U.S. warranty