Size: about 1mm in diameter, about 25 yards each color, 27 color, 675 yards totally. It can be used with gemstone beads, rhinestone beads and so on. You'll want to have a good selection of these available to meet your craft needs. 28 Color: Nylon cord for jewelry making are with 28 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. Nylon Beading Cord: Made from nylon, flexible round cord, with enough stiffness and durability. Come with plastic spools, never tangled or any mess, convenient to use. It is easy to work with, very strong. 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. Wide Usage: Great for beading, macrame knotting making, 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.