Silvertone BSN Caduceus - She Believed She Could Affirmation Ring Necklace Silver Tone Caduceus - BSN She Believed She Could So She Did Affirmation Ring Necklace. Charm size is approx. 0.741 x 0.7 x 0.13 inches (HxWxD) including loop. Silver tone 2mm Belcher Chain Necklace is approx. 24 Inches with a Lobster Claw Clasp. Affirmation Ring is approx. 0.86 x 0.86 x 0.05 (HxWxD). This inspirational piece of jewelry is very meaningful. Its circular shape is symbolic for endless belief in the message that is imprinted around the ring. These are motivational or sentimental messages to the wearer.