Each of these beautiful Comforter Sets come with one White Down Alternative Comforter in a 300 thread count Egyptian Cotton Cover, one 600 thread count Egyptian cotton Duvet Cover and two 600 thread count Egyptian cotton shams. At Egyptian Cotton Kingdom our beautiful Egyptian Cotton Comforter Sets come with White Down Alternative Comforters which feature a Down-Proof Cover of 300 Thread Count hypoallergenic fabric in 100% Egyptian Cotton with a Damask Solid Sateen. It's edged with Double Self Piping for a clean finish. Anti-microbial treatment keeps the down fresh, while its 14 inch baffle box construction allows for maximum warmth and even down distribution. Filling these elegant, oversized comforters is 600 fill white Down Alternative. Because of their luxurious feel and unbeatable warmth the alternative down comforters are a popular favorite. Many of these Alternatives are made of synthetic materials (Micro-Polyester) that simulate the look and feel of down. Our Comforters, are made from a hypoallergenic synthetic material that has proven to be a near match to down in warmth and comfort. For people that have allergies to the down of ducks or geese we offer Comforter Sets with a Down Alternative Comforter!Alternative Down comes with an added bonus of being able to be machine washed!