[24K Gold & 925 Sterling Silver Plated Stainless Steel]: Gold stud earring findings are made of 24k gold plated stainless steel, the golden yellow sparkles, silver stud earring findings are made of 925 sterling silver plated stainless steel. Not easy to rust or fade, great for long term wearing. [200Pcs Earring In A Box]: 200Pcs stud earring findings in 2 colors, each color 100pcs, all packaged in a small box: 74x72x17mm, easy to not lose the pieces, can keep chains from dirty. [Size]: Stud earring findings: about 6x0.3mm, pin: 0.7mm; Ear nuts: about 5x7mm, hole: 0.8mm. [Easy to Use]: Stud bezel blanks for resin with a 12mm flat round tray, great for gluing on cameo, rhinestone, glass cabochons, stamp, engrave, glue letters, photos, logos, acrylic or resin domes. [Best Gift]: Using stud earring findings to make some delicate handicrafts as presents to your family members and friends on Mothers Day, Summer, Easter, St. Patrick's Day, Birthdays, etc.