100% cotton! Freshly cleaned and in great condition with only one very very very difficult to see old coffee stain (shown in second-to-last pic). 2 euro shams (the skinny blue stripe) and 2 queen size shams (in the wide stripe and skinny stripe on reverse). The duvet is a textured wide navy and white stripe with the skinny stripe on the reverse. Buttons at the bottom and on the pillowcases as well. Very warm, very high quality. Offers welcome!