Wholesale Prices in Price Matrix, These chevron beads are made from glass. #1 grade. Bead size 8mm x 12mm. If you can use a full strands, check out the strand pricing for the lowest prices under the same category. 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).