925 Silver: Made of 925 high quality sterling silver, which ensures long-lasting shine and resilience. The non-allergenic material makes it suitable for everyone. Rest assured that these stud earring settings are made with the utmost attention to quality and durability. 7 sizes: 7 sizes earring studs offer versatility in creating your earring designs. The sizes include 13x3.5x3.5mm, 13x4x4mm, 13.5x6x6mm, 14x7.5x7.5mm, 14.5x9x9mm, 15x9.5x9.5mm, 16x10.5x10.5mm, fit different size gemstone. Each size is carefully crafted to provide a comfortable fit while showcasing your earrings in a stylish manner. Earring Stud: Each box includes 7 pairs blank earring studs with 20 plastic ear nuts, enough quantity allow you to DIY the earrings you like. Let your creativity shine and express your unique style with these versatile earring settings and accessories. Easy to Use: Easy to bend and twist, just add the stones, then you need to bend the prongs to fit your gemstone. With these ear nuts, you can confidently wear your earrings without worrying about them coming loose. Wide Application: They are not only suit for making your own unique earrings, but also can be a sweet gift in Christmas, Easter, New Year, birthday and other festival to give your friends, relatives, family, colleagues, etc., to express your love for them.