Product overview This set provides a large assortment of flat back rhinestones in multiple sizes, plus basic tools for precise placement. The stones are made from glass artificial crystal with a precision, multi facet cut for strong brightness and shine. Each stone has a round flat back with silver plated backing that resists fading, making them suitable for many decorative and craft applications. Key benefits Wide size range and quantity for projects of any scale: ideal for professionals and hobbyists who need consistent supply across sizes. brilliance and precise multi facet cut for a uniform, reflective finish that stands out in close work. Flat back and silver plated underside enable secure adhesion with appropriate glues and nail gels. Included placement tools make application faster and more accurate. What is included Packaging box with sorted stones: SS6 2 mm 1680 pieces; SS8 2.4 mm 1120 pieces; SS10 2.8 mm 600 pieces; SS12 3 mm 480 pieces; SS16 4 mm 240 pieces; SS20 4.8 mm 120 pieces. Tweezers, 1 hook tool, and a pick up pen for positioning stones. Material and construction Material: glass artificial crystal. Cut: precision, multi facet. Shape: round, flat back. Backing: silver plated surface layer designed to maintain color and reflectivity. How to use These are not hotfix stones; they do not have adhesive on the back. For nail and makeup applications use nail gel, gel polish, or professional cosmetic adhesive. Allow proper curing. For crafts, glass, plastic, or metal surfaces use a strong craft adhesive or industrial strength glue suitable for the material. For fabric or shoes choose a fabric or footwear adhesive formulated for flexible surfaces. Use the included tweezers and pick up pen for precise placement. A hook tool helps with adjustments and removal. Recommended applications Nail art: create detailed designs across multiple nail sizes using the SS size range. Phone cases and accessories: decorate cases, glasses, or cup exteriors with secure glue for long lasting shine. Jewelry and crafts: add to handmade jewelry, greeting cards, scrapbooking, and mixed media art using suitable adhesives. Notes and compatibility Do not attempt thermal fixation. Choose adhesives compatible with the surface you are decorating. Counts and sizes listed above reflect the contents of the packaging box.