100% Cotton You'll love the softness of our 350 thread count, 100% cotton down proof fabric cover woven with an elegant one inch damask stripe. 14'' inch baffled box squares prevent the down from shifting, while creating an even distribution of warmth and maximum loft. Our fresh loft process ensures the down is clean of dust, dirt and allergens. Filled with 600 fill power hypoallergenic 75% premium white down Dimensions - Twin: 64x88'' with 20oz fill; Full/Queen: 88x88'' with 27oz fill; King: 104x88'' with 31oz fill. Made in USA