Add additional security: The portable door lock gives you extra security and prevents unauthorized entry or dangerous intruders, especially when traveling or staying in hotels. Easy to install: insert the metal rod into the hole on the upright from the door, then close the door and put the red part in the hole, it only takes you a few seconds without any tools. Wide application: The portable door lock can be used for hotels, schools, offices, apartments, dorms, bathrooms, bedrooms, motels. Provides more protection for singles, students and the elderly living alone. Lightweight and portable: Each portable door lock with a black pocket, when not in use, you can put it in a pocket or a handbag, very convenient for you to carry and store it. High quality: Made of premium plastic and metal, durable and sturdy. Shipping quantity: 2 portable door locks and 2 storage bags.