Christmas Light up lanyards great for disney disneyland trip, cruise: worked great for identifying staff or team leads at night during an event. You can use them to keep track of the one at night at Disney or your family cruise, it is a effectively way to quickly identify your one in the dark night. Great for the neon glow in the dark party, theme parks and dark events. Children are easy to spot and they can find parents quickly in a crowd. Unique enough to captivate the attention of others WIDELY USE: It is a perfect light when you Walking the dog, Cruise, Hiking, Darkness setting, Evening party activity and other outside sport at night, you can use it to alert the security through the shine. You also can use it for hold your any ID Card and keychain. Whenever day or night can be used. Perfect for Christmas party, outside sport, running, hiking, ridding, hip hop, etc. 0.8 inch wide, 20 inch length Lanyard with detachable buckle and lobster claw clip on end, look fantastic!! 4 LED FLASHING MODES: Our light up cruise lanyard has 4 flashing adjustable modes: Long-lasting Light, Quick Flashing, Slow Flashing and Flash Off. You can touch the switch to control the level. work on 2 pcs CR2032 Battery, it is can let LED light glow last for 20 hours. Battery is replaceable so you'll be using these for a long time. They are comfortable, stylish enough that the teens, one and adults can wear them too 6 Packs White Christmas Light up lanyards great for disney disneyland trip and cruise: These worked great for identifying staff or team leads at night during an event. You can use them to keep track of the one at night at Disney or your family cruise, it is a effectively way to quickly identify your one in the dark night. Great for the neon glow in the dark party, theme parks and dark events. Children are easy to spot and they can find parents quickly in a crowd. Unique enough to captivate the attention of others