Navy blue. This is a sale of the string used for belt loops, such as those found on denim pants. As shown in the second photo, there are joints, so it will be cut longer. 100% cotton. Perfect for handmade projects. Extension: Extension is possible. Please inquire in the comments if you would like an extension. Please note that the color may differ slightly depending on the photo's lighting. Product: ● The image may differ in color from the actual product. It is unprocessed and raw. We offer discounts for bulk purchases, so please comment before purchasing if you are buying in bulk. [About Shipping] We will ship via Yu-Yu Mercari Bin (Yu-Packet Post whenever possible). ⭐︎ We also have many other fabrics for sale. Due to the thickness, we will use simple packaging, and we will reuse other bags for packaging. If you are particular about packaging, please do not purchase! Thank you for viewing.