High-quality: use k9 optical glass material, machine precision cutting, high vacuum coating reflective film layer, shiny small rhinestones, our rhinestone clear,no bubble, impurities and so on | Widely used: sparkly rhinestone for nail art design, shoes bags,tumbler, hand made jewelry, DIY craft,bling projects | size: ss20(4.6-4.8mm);color: Aquamarine AB ;1 Package pack has about 1440pcs stone | How to use: Make sure the glue secures all edges of the stone to minimize them catching and peeling off recommended glues for attaching non-hotfix flat back crystals are E6000 (glue is not included) | Please let us know if you have any message and respond within 24 hours.We look forward to finding your amazing work in the reviews