Features: these flat back crystals are made of glass crystal, and the package includes 1440 pieces flat back rhinestones in crystal AB colors enough to decorate a small DIY craft.Dimension: these beautiful round diamante gems measure 3 mm in diameter, they are tiny parts in small size, please keep them out of childrens reach to avoid choking.Beautiful ornaments: these round diamante gems can serve as beautiful ornaments and shine under the illumination of lights, which adds sparkle and glamour for your things, providing different visual enjoyment for you.Wide application: these ab flat back rhinestones are commonly applied for decorating all kinds of parties, special events, wedding, festivals, embellishing your DIY crafts, all kinds of clothes, shoes and more.Warm notice: these small crystals are different from those hot fix glass stones and they are not self-adhesive, so you need to apply glue to stick them (glue is not included in the package).