about this project KEEP SAFETY AND PRIVACY - This portable door lock provides you with extra security and privacy, the door cannot be opened from the outside even with a key, which greatly improves your security and prevents unauthorized entry, it is ideal when you are on a business trip, business trip a good helper or live alone. EASY TO USE - Easy to install or remove. Just insert the metal piece into the slot of the door lock, close the door, and put the handle slot on the stud on the metal piece, no one can open the door from the outside. Even in emergency and in the dark, the door lock is Can be installed in seconds without any tools. HIGH QUALITY MATERIAL - The door safety device is made of strong stainless steel. Strong high-quality door locks can guarantee a longer service life. Sturdy ABS plastic cover prevents door damage under pressure. The steel surface with electroplating and polishing technology ensures a smooth touch and minimizes damage to the skin. Widely Used - The anti-theft door stop contains two holes of different sizes to ensure matching with all types of door locks. It can be used to keep pets from going out, and it can also prevent children from opening the door to strangers. Perfect for hotels, dorms, apartments, short term rentals, Airbnb, bathrooms, bedrooms or private rooms. Portable Lock - Two lockers are included in the package, giving you and your family a double sense of security. Dimensions 4.3 x 1.26 x 0.4 inches, with 0.78 inches (2cm) and 1.2 inches (3cm) holes, lightweight and compact, you can put it in your pocket or handbag. If you have any questions, please don't hesitate to contact us by email. Reminder: Suitable for 2~2.7cm tongue lock