[Easy to carry]The portable door lock has the advantages of light weight, small volume, no waste of space.It can be put in a portable bag and very convenient to use. [High-Quality Material]The portable door lock is made of 304 stainless steel, which is very stable and durable and has a longer service life. [Easy Installation]Step 1, twist the wing to the same plane as the hook; Step 2, hook the front end of the hook to the inside of the door lock and then close the door; Step 3, twist the wing to the horizontal direction, and finally tighten the nuts. [Widely Application]The portable door lock is suitable for hotels, schools and other to provide security for travelers. [Safety and Privacy]This door lock provides you with extra security and privacy, preventing unauthorized entry. The door can't be opened from the outside even with a key. Product description Note: 1. The product is only applicable to the door opened inward, not to the door opened outward. 2. When in use, the gap between the door and the door frame shall be greater than 3mm. 3. The position of the latch shall be parallel to the door frame, and the door frame shall be free of concave convex parts. 4. Please allow 1-2mm error due to manual measurement. Easy to carry: The portable door lock has the advantages of light weight, small volume, no waste of space.It can be put in a portable bag and very convenient to use. High-Quality Material: The portable door lock is made of 304 stainless steel, which is very stable and durable and has a longer service life. Safety and Privacy: This door lock provides you with extra security and privacy, preventing unauthorized entry. The door can't be opened from the outside even with a key. Size Detail The product has a total length of 8 cm/3.1, a wing width of 1.5 cm/0.6 and a hook width of 1.5 cm/0.6. Quantity:1pc