I used these at a wedding, but I have some of each color left over, so I'm selling them. iSmile Chemical Light Large Diameter: 15cm Not too small, easy to hold The colors are vibrant, it looked like a live venue! Each color will be shipped in a zippered aluminum bag as shown in the photos. Red: 6 Blue: 10 Yellow: 8 Orange: 4 Pink: 6 Please inquire if you want to buy individual colors. Quoted from another site: ◯ Chemical lights are easy to snap and have a long glow time, making them perfect for indoor and outdoor live events. You can't go wrong with these to get excited and become one with the venue with your favorite color or your "oshi" member color. Also, the colors are vivid, so they're great for otagei (cheering), birthday parties, weddings, cultural festivals, school festivals, concerts, "oshi" activities, camping, festivals, summer festivals, survival games, Halloween, Christmas, and more. ◯ 【Long-lasting glow of 8-12 hours, also for disaster use】 The glow time is about 8-12 hours. It continues to shine for a long time, so you can use it as an emergency disaster kit in case of earthquakes, disasters, power outages, etc. The shelf life is about 2 years, and it's compact, so it's also recommended to put it in your disaster prevention bag. Prepare them as evacuation goods and disaster prevention goods. ◯ 【Safe and secure design that prevents liquid leakage / Produced in a factory that has acquired international standards certification】 We put your safety and security first, and this product is designed to prevent liquid leakage. The outer tube wall of the penlight is designed to be thick, so you can use it without worrying about liquid leakage. In addition, it is manufactured in a factory that has acquired ISO9001 (Quality Management System Standard) and EN71 (Toy Safety Standard) international standards certification. ◯ 【Product Specifications】 Size: Length approx. 15cm, diameter (thickest part of the bottom 17mm). Comes in a zippered aluminum bag for long-term storage, so you can store them properly even if you don't use them all. 【How to use】 ① Hold both ends of the chemical light with both hands and bend it gently until you hear a snap. ② Shake gently until the liquid inside spreads throughout.