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.,EASY TO USE - Easy to install or remove, this door security device can be installed in seconds without any tools, even in emergency situations and in the dark. Just insert the door lock metal piece into the slot of the door frame, close the door, and then put the handle groove to the stud on the metal sheet, then no one can open the door from outside.,HEAVY DUTY LOCK- The door security device is made of strong stainless steel. Rugged ABS plastic cover to prevent damage to doors under pressure. Steel surfaces with electroplating and polishing technology ensure a smooth touch and minimize any injury to your skin. A strong door lock with high quality may guarantee prolonged service life.,WIDELY USE - The security door stopper contains two holes of different sizes to ensure that all types of door locks are matched. Perfect for hotels, dormitories, apartments, short-term rentals, Airbnbs, 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.,Portable Door Lock - This package comes with 2 pack sturdiness extra door locks, dust bag and manual for privacy and safety. Size 4.3 x 1.26 x 0.4 inches with 0.78inch (2 cm) and 1.2inch (3 cm) holes, lightweight and small, you can put it in a pocket or handbag. It only suitable for swing-in door with door hole less than 1.1 inches(This is the upgrade patented lock, a gift for wherever you need.Email us if you need help.)