Venetian Beads: square silver or white gold foil Buttons, approx. 20mm, Pure silver or white gold foil (99.99%) encased in glass, peridot. Please note these are square buttons, not beads, and have no holes. The buttons need to be affixed with glue to a glue-on button shank with a drop of crazy glue. Matted beads cannot be returned. High quality Venetian beads handmade from Murano glass. Beads from Gems2Behold offer a wholesale beads selection including highest quality glass beads, such as Murano Glass and Venetian beads, Seed beads, Swarovski, Delica, Lamp worked, also Ceramic, Gemstone and Metallic beads, and jewelry making tools and supplies, stringing materials and beading supplies.