ULTRA SIMPLE TO INSERT LOVED ONES ASHES INTO BY SIMPLY POURING IN ASHES INTO GLASS TUBE AND THEN YOU PUSH IN WHITE RUBBER SEAL TO WATERPROOF IT. THEN YOU INSERT GLASS TUBE INTO THE BOTTOM OF THE CLASSY SHINY BUT HUMBLE CROSS PENDANT. NOW YOU CAN VIEW YOUR PRECIOUS ASHES WHICH ARE FULLY PROTECTED AND WATERPROOF INSIDE THIS CROSS PENDANT. ONE FINAL STEP IS TO TAKE THE END CAP (metal) AND PLACE IT INTO THE BOTTOM OF CROSS AND LIGHTLY, YES, LIGHTLY HIT WITH HAMMER OR ????? NOW ASHES ARE TIGHTLY SEALED AND WON'T COME APART UNLESS YOU FORCED THE BOTTOM CAP OF WITH PLIERS! YOUR LOVED ONES ASHES ARE NOW CLOSE TO YOU AND PROTECTED. I WISH EVERYONE PEACE AND LOVE FOREVER! WEARS GREAT ON MEN OR WOMEN. SIZED PERFECT !