Label, clip, and lock down your keys for easy carrying and identifying with this aluminum locking carabiner featuring waterproof write-on labels. Allows you to clip keys onto one side, clipping the other onto a belt, bag, and more for easy reaching. The SlideLock mechanisms on each side prevent keys from detaching. At the center of the carabiner is a waterproof, plastic write-on tab, allowing you to label your keys for easy identifying. Use permanent marker for a lasting mark. Laser Engraved. Boxed.