SeaCell & Organic Cotton Bedding Redefining beauty sleep with SeaCell the Yin and Yang Duvet Cover is the skin friendly answer to a good night\'s sleep. SeaCell is a lyocell fiber derived from Icelandic sea algae, known to fight free radicals and contains rich nutrients that are friendly to skin. Made of ultra-soft sateen, this solid-meets-patterned duvet cover also includes a U-shape zipper closure for a wider opening, to make inserting your duvet a breeze. Single Duvet Includes Single Pillowcase Double, King and Superking Size Duvet Includes Pair of Pillowcases Sizes Single Duvet Cover: 140cm x 200cm Double Duvet Cover: 200cm x 200cm Kingsize Duvet Cover: 230cm x 220cm Super Kingsize Duvet Cover: 260cm x 220cm Standard Pillowcase: 74cm x 48cm