TWIN DUVET COVER 100 percent Viscose from Bamboo Duvet Covers. 300TC and the softest fabric in the world, noticeably softer than cotton Extremely comfortable in all temperatures. Perfect for people with allergies & chemical sensitivity Bamboo is highly resistant to dust mites and grown without pesticides, Amazingly soft similar to cashmere of silk Machine wash in cold water only. Delicate cycle. No Bleach. Tumble Dry on low heat. Remove immediately at end of cycle. Press with warm iron if needed Duvet Covers slip over your existing comforter creating new luxury look.