H&D Set of 4 Crystal Napkin Rings Wholesale (white) Material: K9 crystal,chrome metal. Diameter of diamond: 40mm/1.6" Size of ring:2.4"X1.7"X1.6" Adding beauty and tidiness to your table Perfect for Christmas, New Years, Thanksgiving, Hanukkah, Memorial Day, Labor Day, date,picnics, parties, weddings, etc