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 consult if you want to buy individual colors. Quoted from another site: ◯ Chemical lights are perfect for indoor and outdoor live events because they are easy to snap and have a long glow time. You can't go wrong with these to get excited and become one with the venue with your favorite color or your favorite member's color. Also, because the colors are vivid, they are great for otagei (cheering performances), birthday parties, weddings, cultural festivals, school festivals, concerts, "oshi-katsu" (supporting your favorite idol), camping, festivals, summer festivals, survival games, Halloween, Christmas, and more. ◯ 【Long-lasting glow of 8-12 hours, also for disasters】 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 the size is compact, so it is 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 obtained international standards certification】 We have designed this product with the safety and security of our customers in mind, and it 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 obtained 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 lightly until you hear a snap. ② Shake it lightly until the liquid inside spreads throughout.