Wholesale Prices in Price Matrix, These Crow beads are made from glass. Bead Size: 9mm (3/8"D x 1/4" W). Each bead has a 1/8" hole through the center so you can string them onto you jewelry or craft project with ease. There are approximately 100 beads per strand. If you plan on using a lot of the crow beads, check out our kilo pricing under the same category for our lowest pricing. These beads were considered a trade bead during the "Lewis and Clark Era" which makes them period correct for different reenactors time periods, free-trapper craft projects and living history events. Great for your craft jewelry beading projects revolving around reenactment events, Civil War, Rendezvous, Pirate, Renaissance, Medieval, Pow Wow, Living History and Cowboy).