A mixture of small 2 - 3 mm (1/16 - 1/8") iridescent glass seed beads and bugle beads that shimmer in the light, including unusual faceted glass beads that look like snake skin 4 mm (5/32") Strung on durable nylon-coated, stainless steel beading wire A wire guard at each end to add strength near the clasp Stainless steel lobster claw clasp (hypoallergenic) My original design, handmade by me in Michigan Free shipping by USPS first-class mail