100% Natural cotton in 400TC. The fiber is most often spun into yarn used to make a soft, breathable textile for strength and exceptional softness1 PCS Duvet Set Includes: King Size Duvet Cover (94 x 104) InchesSpecial Hidden zipper design, prevent the body from touching the zipper. It also looks more neat and Ties on the cover. Inside ties are added to keep your duvet in place We also customize as per the size required by you.Benefits- A duvet cover is a protective layer that slips over the duvet and has a closure. Duvet covers are useful because they protect your comforter during use and are easily removed and easy to wash.Care Instructions: Washable – Use mild detergent – Wash in cold water, its comforters easy, as all you need to wash is the cover.