. Custom thread colors are available. Custom colors and custom sizes require 3-4 weeks lead time. Duvet Covers and Quilts have Luca White 500TC sheeting on the reverse. Quilts have a 3 inch diamond pattern and are filled with 100% polyester batting, 100 gm per square meter. Made in the USA of fabric from Italy. 70 x 90, 2.5 inch flange.