Easily affix some sparkle and bling into your design with our easy to use and beautiful Preciosa Czech Rhinestone Glue on Flatbacks. In many shapes, colors and sizes, our selection of flatbacks have something for everyone's taste! Many types of glue are acceptable for attaching flatback rhinestones, except the isocyanate glues (e.g., instant adhesives), any glue containing acetone, and hot glue. There are several brands of glue that are specifically formulated for bonding rhinestones or crystals to fabric such as Beacon Gem-Tac, or E-6000.