Cloth Sail Triangular 12x21 with Winged Edge and Dark Brown Pattern, LEGO® Part# 14310. Comes in Reddish Brown. Appeared in set# 79008-1 (Pirate Ship Ambush). This cloth part is used in decent condition so it may have some folds, wear, and/or marks. 

To learn more about the parts we offer call us at our storefront at 470-414-2208 and we'll be happy to help.