These clip on ear wires are hinged ear clips with a 5mm half ball accent for non pierced ears. The back pad is grooved to aid in holding in place. The metal is nickel free plated steel. The open loop for adding dangles has an opening of 1mm. Available in packages of 10 (5 pairs) and 20 (10 pairs) in your choice of silver or gold plating. To see more earclip findings, please click here: https://www.etsy.com/shop/missvalsfindings?section_id=21291806 For guaranteed same day shipping (excluding postal holidays), please purchase by 12 noon EST Monday thru Friday or by 9am EST Saturday. Orders ship via the United States Postal Service.