first holy communion? a saint christopher necklace is the perfect gift! available in a range of lengths from 16 to 22 inches. just pick your desired chain length from the drop box, and for greater flexibility we also offer the option of adding a 2 inch extender on 16 and 18 inch chains. the pendant itself measures 16mm height and 13mm width, and if you're looking for a special gift for a loved one the reverse side is ready for personalization.