These mini flashlights keychains are made of aluminum alloy and ABS, lightweight but sturdy, the inner batteries are installed, which can serve you for a long time. this mini LED flashlight keychain is nice for indoor or outdoor activities, easy to attach everywhere, such as key, coat pocket, bag, backpack or outdoor camp, and the flashlight can work as a table light and camp light. You can print any logo or pattern on it to make unique packaging.