Dark gray core is black. Loop yarn, fancy yarn, perfect for knitting. 515g including core - Color: Gray - Shape: Loop yarn - Use: Knitting yarn We are closing the factory at my parents' house, and we have a lot of leftover yarn, so I will be listing them slowly. For combined purchases, we will deduct 200 yen for each additional leftover yarn item. Please comment on each product page if you wish to combine. Thank you for looking.