Way to Celebrate! Glow Costume Set. Each pack contains 19 pieces 6-inch 18 pieces 8-inch glow sticks and plastic connectors. It s great for Halloween Birthday July 4th Fireworks and various sizes of Parties. Just activate the glow stick and connect to plastic piece. The bright glow lasts for 6-8 hours. It suits for Unisex Children and even Adult. Let s get this glow item so you can stand in any night time event.