Sterling Silver Hoop Earrings w/Square Tube & Click-Down Clasp (2mm Tube), All Sizes Material: 925 Sterling Silver (nickel free) Diameter: 15mm Tube Thickness: 2mm (square tube) Each item comes gift wrapped in LooptyHoops brand packaging with informational cards on how to wear and care for your jewelry. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!