Cotton QUALITY CONSTRUCTION: 100% Cotton sets the standard in softness and breath-ability that ensures a restful night’s sleep DEFINITIVE STYLE: Choose from sage with light grey and white or shades of navy, light blue, and white KING/CALIFORNIA KING DIMENSIONS: Duvet measures at 106”x 92” while each pillow sham measures at 20”x 36” EASE OF CARE: Our beautiful duvet cover sets are colorfast and machine washable. Always follow the care label instructions for best results PLEASE CHECK SELLER NAME. Confirm that your product labels says Superior and HOME CITY INC. If it doesn't, please contact Amazon and us immediately