Size SS6: 2.0mm, Made of glass. Quantity: 2880 Rhinestones. These are a Swarovski alternative, premium quality flatback rhinestones. Use tips: glue fix, non-hotfix. You can use glue like E6000 to make your project. Ideal for decorating many items including mobile phone cases, shoes, clothes and can also be used to make jewellery and greeting cards etc.