We've fallen madly in love with these terrific components from SWAROVSKI ELEMENTS, and we're sure you will too! Please note that when using flatbacks, you should never use a glue gun or super glue as they will damage the foil backing on the rhinestones. Also be aware that while flatbacks are terrific for adding sparkle to clothing they should never be dry cleaned. Please follow the cleaning care instructions on your glue; many glues require that clothing be air dried.