Solid 18k white gold or 24k yellow gold. With Swarovski crystals or REAL diamonds. Pack of 10 charms includes 4 yellow gold, 4 white gold, and 2 with stones. Pack of 20 gems includes 10 clear Swarovski crystals and 10 iridescent Swarovski crystals. Adhesive Kit with gems includes 5 charms, 5 solid gold, and adhesives. *Tester includes 5 gems & 2 solid gold. (No adhesive testers for sanitary reasons) MADE IN THE USA! *Please allow 7-10 business days for shipping.