Silver Tone Pebble Heart Charm Necklace. Pebble Heart is approximately 0.57 x 0.69 x 0.15 inches (HxWxD) not including loop. Antiqued pebble design on both sides. Silver plated necklace is 19 inches plus 2 inch extender chain. Lobster Claw Clasp. Beautiful fashion necklace makes a wonderful gift. PLEASE NOTE: Our products are lead safe, but are not intended for children 14 years and younger.