Fun Central U8 1.5" Mini Glow Sticks - Yellow 50ct SIZE: Mini Glow in the Dark Sticks measures 1.5 inches long and 4.5 mm in diameter HOW TO USE: Make the stick glow by snapping it and then shaking it. Glows once for 3-4 hours. PERFECT FOR PARTIES: The perfect Party Supplies is now in store. This Glow in the Dark Sticks is perfect for different kinds of parties and events such as Glow in the Dark Party, rave parties, birthday parties, pool parties, Christmas parties, Halloween parties, concerts, weddings and many more! You can use it for Easter Egg Stuffer, Party Favor, Gifts, and Decorations. INCLUDES: Glow in the Dark Sticks are packed in a polybag which includes: 50 pieces of Glow Sticks that comes bright yellow color. Caution: Small parts. Not recommended for children under 3 years. MANUFACTURING: This Glow Sticks is made from high quality material that is safe, non-toxic and environmentally-friendly.