10mm x 4mm. Price for one bead. The Memento Mori Necklace was designed by Roberta Miller, inspired by the haunted mansion at Disneyland. Memento Mori is an artistic or symbolic reminder of the inevitability of death. The necklace uses Lucite Flower beads 21x9mm, 14x10mm, 10x4mm, Czech teardrop beads, Czech 4mm druk beads, pewter beads, and Gun Metal Plated Flat Oval Cable Chain.