About this item. Product name: safety door buckle lock. Product material: PP+stainless iron. Product color: as shown in the figure. Packaging size: 7*2.6*15.2. Product weight: about 130 grams. SECURITY AND PRIVACYThis portable door lock provides you with extra security and privacy, greatly improving your security and preventing unauthorized entry, so the door cant be opened from the outside, not even with a key. EASY TO USE Easy to install or remove, this door lock can be installed in seconds without any tools, even in emergency situations and in the dark. Just insert the metal piece into the slot of the door lock, 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 LOCKThe 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. WIDELY USED 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.