The astronaut helmet glows: When you need to open the door, the astronaut keychain can help you illuminate the lock and also help you find things in the dark. The rainbow-colored lights are also perfect as a background color for taking pictures. The flashlight's batteries are easy to replace, so you don't have to throw away the keychain when the batteries eventually run out. Colorful colors: The color of the light changes depending on the color of the astronaut you choose. The pink and green keychain lights are purple with a yellow halo around them. The purple and white keychain lights are blue with a purple halo around them. There are two simultaneous colors. Attractive design: The pink keychain consists of a rainbow-colored decorative ball and a metal lobster claw-style clip for easy attachment to the backpack. This sturdy wristband says "space," a prominent astronaut, and a flashlight shining out of the astronaut's helmet for a perfect lightweight combination that is easy to carry. Best match: Cute key chains can perfectly match your backpack, wallet, car keys, or home key chain. Add a lovely little flavor, and never worry about losing your keys again. Novelty gift: This keychain kawaii is perfect for fans of cartoon astronauts, solar system enthusiasts, space lovers, and NASA fans, and for teens who collect backpack keychains. Glow in the dark: The astronaut helmet glows, making it easy to find your way at night, whether trying to pick a lock or find something in a dimly lit room.