Sports Accessory Store North Carolina Tar Heels 3 Charm Blue Crystal Silver Chain Necklace Jewelry UNC North Carolina Tar Heels 3 charm necklace. Silver plated team logo charm, silver plated rectangle charm and red crystal charm. Necklace is approximatly 18 inches long and the rectangle charm is 1" inch by 3/16" inch. Officially Licensed NCAA Product by From the Heart Enterprises. Lead Compliant. Check our other listings for matching bracelet and earrings!