[925 Sterling Silver Studs]: Blank post earring studs are made of 925 Sterling Silver, smooth and elegant surface, soft metallic luster, good ductility, no reaction to most acids, not easy to deform, suitable for long-term wear.[40Pcs Studs In A Box]: 40Pcs studs: about 11.5mm long, tray: 2mm; pin: 0.8mm, each ear stud is equipped with an ear stud buckle, all packaged in a box: 68x52x11mm, can keep charms for dirty.[Easy to Use]: You just need to use hot liquid glue (not be included with the package) to glue gems, rhinestones or resin decorations on the earring posts flat pads, helping develop your creativity and hands-on ability to make personalized earrings.[Occasion]: You can wear these earrings to attend any occasions such as dinner, party, festival, celebrations, prom, dancing, ball, engagement, wedding, birthday, Christmas, formal events, etc.[Ideal Gift]: A great gift for yourself or your family members, friends, colleagues, relatives, neighbour, especially suitable for craft enthusiasts. Suitable for sending this gift on birthday, Thanksgiving, etc.