SWAROVSKI 2058 XILION / 2088 XIRIUS Rose Flatbacks No-Hotfix. Model#: 2058 XILION Rose (ss5 to ss10) 2088 XIRIUS Rose (ss12 to ss30). Type: Flatbacks No Hotfix. These Flat Backs can be easily applied to a variety of carrier materials using standard one- or two-components glues.