Button, Crystal Passions®, crystal AB, foil back, 10mm faceted rivoli (3015). Sold per pkg of 4. - Fire Mountain Gems and Beads
Amazon.com : Swarovski Crystal Buttons Sew on 3015 Full Wholesale Pack Lot Most Colors Sizes (Jet - Black Opal, 14 mm x 36 Buttons) : Arts, Crafts & Sewing
24 x Swarovski Buttons sew on 3015 crystal 16 mm Aquamarine pack box Wholesale | eBay