4 Colors Available: package includes 64pcs earrings posts earrings backs kit in 4 colors--stainless steel color, golden, rose gold and black; each color 32pcs; you can make 16 pairs of DIY earrings with this set. Quality Material: the earrings are made of 304 stainless steel, provides good stability, high work performance and durability, anti corrosion and stain resistant, have wearing resistance, no rust, no deformation or no scratched. Suitable for DIY: each earring post is with a 1.8mm loop on the bottom, allow you to easily add beaded dangles, pendants, jump rings, chain or drops to them to make simple, yet elegant drop earrings. Small Earring Kit: stud earring--about 0.6x0.12x0.04 inch(15x3x1mm), hole: 0.07 inch(1.8mm), pin: 0.03 inch(0.8mm); ear nuts--about 0.24x0.18x0.12 inch(6x4.5x3mm), hole: 0.03 inch(0.8mm). All parts are packed in a clear plastic container box. Wide Application: can be used for DIY your unique, beautiful, elegant and quality earrings; suitable for daily use, parties and activities, they are also prefect gifts for your friends and family members.