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 even with a key. Features: Lightweight and portable, can put it in a pocket or handbag - The portable door lock device is fixed by thread, which is more stable after installation - Easy to install without tools, even if someone else puts the key outside the room, it is not easy to open the portable door lock - Made of 304 stainless steel precision castings, has a longer service life - Suitable for families, hotels, schools and other families - Provides safety protection for travelers, college students, singles, mothers at home, etc - Also can be applied to avoid pets going out, and also to prevent children from opening their doors to strangers Specifications: Material: 304 Stainless steel - Color: BlackSize(LxW): 8 × 4.5cm Package Content: 1 x Portable Door Lock