100% Natural Rayon Bamboo Fibre 450TC Luxurious Soft Duvet Cover Set - Ivory(Queen) 100% Natural Rayon from Bamboo Fibre Imported 3 Piece Duvet Set Includes: One duvet cover, two shams. 100% Natural Rayon from Bamboo Fibre - 450 Threadcount 15" deep pocket. Bamboo is environmentally friendly and fully bio-degradable. Bamboo bedding is naturally anti-bacterial and hypoallergenic.