Gold Tone Hummingbird Disc Charm Necklace. Gold Tone Hummingbird Disc is approximately 0.63 x 0.53 x 0.09 inches (HxWxD). Smooth on both sides. Clear crystal on front. The hummingbird is a symbol of enjoyment of life and lightness of being. 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.