No optical brightener has been used. 100% renewable material. Non-chlorine bleach.
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Includes: 1 Full/Queen (Double/Queen) duvet cover and 2 Queen pillowcases. 152 thread count. Thread count indicates the number of threads per square inch of fabric. The higher the thread count the more densely woven the fabric. Available in several sizes.
Machine wash ,hot 140°F (60°C). Do not bleach. Tumble dry, normal. Iron, high temperature. Do not dryclean.
Yarn-dyed; the yarn is dyed before weaving; gives the bedlinens a soft feel. Decorative, fabric-covered buttons keep the comforter and pillow in place. http://www.ikea.com/us/en/images/products/nyponros-duvet-cover-and-pillowcases__0287090_PE318870_S4.JPGNYPONROS Duvet cover and pillowcase(s), grayhttp://www.ikea.com/us/en/catalog/products/00229998/002.299.98IKEA$39.99