18K Gold Plated Stainless Steel Stud Earring Findings: The cabochon setting post made of real 18k gold plated brass, looks smooth and shiny, not easy to rust or fade, won't bring burden, ensuring long-lasting use Size Reference: The tray of stud earring setting is 12 mm(0.47 inch) in diameter, 14x2 mm(0.55x0.08 inch), pin: 0.8 mm. Cabochon: 12 mm(0.47 inch), 4 mm(0.16 inch) thick. Come with 1 pc plastic box to storage 40 Sets Stud Earrings: Package includes 40 pcs earring studs, and 40 pcs glass cabochons, 40 pcs ear nuts, sufficient quantity can bring you much fun of DIY jewelry making Easy to Use: Choose the suitable photos, decorative paper, cameo, put them on the blank tray to make meaningful earring studs Gift Choice: You can add different elements to blank stud earrings, not only to enjoy diy activities, but also to give to friends and family on special holidays such as Christmas, Valentine's Day, New Year, or birthdays