Easy to Write: You can easily write number or words on the 1.5 inches blank white key tags with mark pen, permanent markers or stick-on labels. Quickly keep track of items to identify them at a glance. Slotted Key Tags: Easily snap them onto slotted or rack-style key cabinets, boxes or boards less than 0.1 inch thick. Keeps keys tidy and easy to find. Reusable Material: These key tags are made of heavy-duty plastic, which is heat-resistant, waterproof and not easy to break. It can be used for a long time.Its frosted finish can prevent light reflection and always clear view. Metal Snap Hook: Each hanging key tag comes with a sturdy rust-proof metal snap hook that securely holds multiple keys. The metal hook easily attaches to your zipper, wallet, bag, wristband or belt to carry it anywhere. Widely Usage: perfect for any business or individual with multiple keys. Perfect for marking keys or valet parking stands, rental offices, rental lockers at gyms, cabinets boxes lockers, suitcases,