The Swarovski 3188 Xirius lochrosen sew-on is a faceted flat back sew-on with 1 hole in the center for sewing.
The 3188 has platinum foil on the back of the stone (unless unfoiled or a lacquer color) allowing light to reflect and for easy application by sewing by hand or machine.
For more information on how to sew Swarovski 3188 sew-on, please review the
