The price is displayed until around March 16th to coincide with the campaign, so don't miss out! Hotel Style Duvet Cover Single There is no specific mention of the material, but it appears to be polyester. If you are concerned, please contact the manufacturer directly. New, unopened, but the manufacturing date is unknown. It's navy blue, and the fabric has vertical stripes like in the package photo. However, the color may appear slightly different from the actual color due to the lighting in the photos. This is a flea market site. You cannot physically examine the item, so please make your judgment based on the photos and descriptions regarding size, material, pattern, and other details. Please refrain from commenting or purchasing if you are concerned about the details. Please also note that there is no information about the overall pattern. I am not a shop. Currently unopened, so I cannot check the contents. Please understand this before purchasing. It will be shipped unopened via Yu-Packet Post. If it doesn't fit in the post, it will be hand-delivered, or a delivery notice will be left if you are not home. Please refrain from price negotiations, holding items, checking stock, or making special requests. We cannot accommodate cancellations, re-listings, or resends due to the buyer's lack of confirmation or mistakes. We apologize for the numerous warnings, but there have been news reports of problems on flea market sites recently. Thank you for your understanding. #DuvetCover #DuvetCover #Duvet