Features 1. Security And Privacy: This portable door lock provides you with extra security and privacy, greatly improving your security and preventing unauthorized entry, so the door can't be opened from the outside, not even with a key; which is a great helper for you when you are on business and trips, or live alone. 2. Easy To Use: It's easy to install without any tools. Girls can also complete the installation quickly. Even if someone else has the key, they can't open your door. 3. High-Quality Material: The door security device is made of strong stainless steel. Steel surfaces with electroplating and polishing technology ensure a smooth touch and minimize any injury to your skin. 4. Widely Used: The security door stopper suitable for most types of door locks. Perfect for hotels, dormitories, apartments, short-term rentals, bathrooms, bedrooms, or private rooms. It may also be applied to avoid pets going out, and also to prevent children from opening their doors to strangers. 5. Compact Design: 3.14 inch in length. It's small, light and easy to carry. It is a novel and unique travel door lock. The portable door lock is fixed by thread, which is more stable after installation. Specification Material: Alumium alloy, Stainless steel Color: White Size: 8 x 3 x 1 cm Weight: 55 g Package Include: 1× Door Lock