Kumi Kookoon® is the finest maker of silk-bedding and silk filled comforters . All products are made only from 100% pure grade “A” mulberry silk called heaven’s silk ™. Heaven’s silk is the highest quality, consisting of long fibers offering a stronger blend and the purest silk qualities.. Experience the luxury of silk and you will fall in love with the warmth, softness, and feel. If color is what you want, Kumi Kookoon has an exceptional color palette – colors that are stylish, versatile and timeless.