Winter items other than antiques are on sale! I think it's polyester. It's a smooth, shiny fabric typical of polyester. You can fold it, put it in a laundry net, and wash it in the washing machine normally. It's best to hang it to dry immediately after washing. You can wear it as much as you want! It's also wrinkle-resistant. You can wear it without worrying about stains. Length: Approximately 156cm Sleeve length: Approximately 63.5cm Sleeve length: Approximately 49cm Thank you for looking.