Flat Backs Hotfix(HF) are loose crystal components with a flat reverse side that has been pre-coated with heat sensitive glue. Flat Backs HF can be easily applied by heat to a range of textile carrier materials and produce a durable and long lasting crystal effect. Flat Backs HF are available in a multitude of colors, shapes and cuts.The most important single item in this product group is the Swarovski XILION Rose-the new generation of brilliance.