70% cotton / 30% polyester.Duvet Covers are stocked in White, Bone, and Ivory and have Positano cotton/poly sheeting on the reverse.Custom sizes require 3-4 weeks lead time.For Diamond Pique colors with a straight edge, add 20% upcharge or see Elliot page bedding 51 for stock color range.Made in the USA of fabric from Portugal. Size:70 x 90, 3 inches flange.