Package Included: You will receive 30pcs earring studs with loop in gold color and 30pcs open jump ring in gold color. These delicate ball post stud earrings will help you to diy more beautiful jewelry crafts making. Proper Size: These half round ball with ring earring posts is about 11x8mm in diameter, 1.8mm hole and 0.8mm pin. Jump ring with 4.4mm inner diameter. Appropriate size for your earring making. High Quality Material: These earrings post are made of stainless steel material, smooth surface, durable and sturdy, light in weight, it is easy to use and can be apply for a long time. Wide Applications: The earring studs with fashionable design, the hole lope make them easy to combined with beautiful charms, pendants, rhinestones, tassels, pearl chains or leather, etc. Ideal Gift: Earrings post are essential accessories and ideal gifts for girlfriend, wife, mother and bridesmaid at the weddings, ceremony, parties and college graduations, etc.