Each Necklace Has 9 Large 2.5 inches Multicolor LED Light Up Bulbs on a 35 inches Perimeter Necklace. SUPER VALUE With LED Light Up Necklaces. Perfect for Christmas Xmas Party Favors, Ugly Sweater Party, Holiday Party Favors, Holiday Family Celebration Party, Christmas Dress-up Accessories, Christmas Light-up Christmas Holiday Decorations.