High Quality Materials Robust Construction: The padlock is made of high quality zinc alloy. The padlock shackle is made of stainless steel, rustless and corrosion resistant. Weatherproof padlock for outdoors and extreme weather conditions. Super Security Anti-Theft Protection: 4-digit passwords provide 10,000 password combinations to enhance security and protect your belongings. You can set any combination as password. But write down your password. On the side is a password window to better protect the password wheel. Wide Application:You buy now and you will receive 2 exquisite password padlocks, Black and Red. padlock is designed for both indoors and outdoors and is suitable for most light duty applications such as gym/sports room, school and employee lockers, cupboards, suitcases, wheels and shelves general. You don't need to carry the key, you can use padlocks at any time.