Made with Swarovski Elements. Material - Zinc Alloy ; Item - Drop Earrings ; Main stone - Rhinestone ; Size - 5cm ; Style - Trendy. We are not a direct partner of Swarovski. We buy genuine Swarovski crystals from an authorised dealer of Swarovski and then use it to make our own unique designs. We save overall cost by not generating certificate or warranty card for each product and by not buying expensive Swarovski boxes. These savings are passed on to our customers by providing them with less expensive but genuine Swarovski product. The Swarovski crystals in our product is tagged "Made with Swarovski Elements" by Swarovski for authenticity. We do not have sales agents to sell our products, please beware of cheap duplicates done by other sellers.