Gold Tone Graduation Hat Charm Necklace. Gold Tone Graduation Hat is approx. 1.15 x 0.41 x 0.23 inches (HxWxD) including loop. 3-D graduation hat has a tassel that dangles. 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.