White Down Alternative Comforter 300 count Micro-Fiber- Duvet Cover Insert - King Size (106x90") Royal Tradition Brand Micro-Fiber 300 thread-count cover Box stitch construction keeps fill evenly distributed King/Calking: 106 x 90 inches, 50 oz. fill * 600 Fill Power 300 Thread count * 100% Micro-Fiber cover * Allergy Free * Machine Washable