Swanson Beddings Tree 3 Piece 100% Cotton Duvet Cover Set: Duvet Cover and Pillowcases (King) 100% Cotton 100% cotton duvet set: duvet cover and two matching pillowcases High quality 100% cotton 300 thread count Machine washable gentle cycle with cold water and tumble dry with no heat Queen: cover size: 90 in x 90 in, pillowcase size: 20 in x 32 in King: cover size: 104 in x 90 in, pillowcase size: 20 in x 38 in