100% cotton. I bought this thinking it would be nice as a room dress, like a t-shirt material dress, but I ended up not wearing it much. It's in good condition, having been worn less than 10 times. Please understand that this is a pre-owned item stored at home by a private seller. Only those who accept this condition should proceed with the transaction (^^) Returns are not accepted. Please ask any questions or address any concerns before purchasing. I will fold it compactly for packaging. The price includes shipping. Please refrain from price negotiations other than for multiple purchases. I will adjust the price at my own pace. Color: Brown Pattern: Solid Silhouette: Flare Season: Spring/Summer Room wear Pajamas Nightwear