Swarovski® Elements Art. #2028 Flat Back No Hotfix Foiled crystal rhinestones in a bag. Its asymmetrically cut facets (XILION Rose) shimmer intensely over a wide spectrum. Popular for its outstanding quality, dimensional accuracy and brilliance. It does not become dull when exposed to chemicals and has a wide range of uses in the clothing, craft and fashion jewelry industries, as well as in jewelry as a stand-alone piece.