Size: about 2mm in diameter; about 10 yards each color, 10colors, 100 yards totally - enough for your different craft needs. You'll want to have a good selection of these available to meet your craft needs. Perfect for any craft project requiring colorful satin cords. 10 Color: Nylon cord for jewelry making are with 10 bright color such as white, red, blue, green orange, and other beautiful colors. It will add a pop of color when you use it as a ribbon cord to scrapbook, tie favors, decorate party accessories, and create ornaments. Rattail Satin Cord: Made of satin rattail cord, very soft with smooth surface, durable and wearable with beautiful colors, can meet your different DIY craft needs. Come with plastic spools, never tangled or any mess, convenient to use. It is good for knot design/making as it stays knotted but will also unknot if you want it to. DIY Jewelry Making: Can be used to make Chinese knot, great for creating your favorite jewelry pieces, such as bracelets and necklaces. Compatible with different beads and jewelry findings. For making red string kabbalah, friendship, and Kumihimo jewelry, this cord will make the process both easy and fun. Craft Making: Great for lanyards, build tassels, sew drawstring bags, wrap bottles, weave dream catchers, braid hair. It will add a pop of color when you use it as a ribbon cord to scrapbook, tie favors, decorate party accessories, and create ornaments. The applications of the cord are only limited by your imagination. Wide Usage: Great for beading, macrame knotting, costume and garment making, tassels, crafting, wrapping, beading, Chinese knot making, wind chime making, and even handmade sign making. Also can create lanyards, build tassels, sew drawstring bags, or even braid hair.