Perfect for Travel - These portable dock locks for hotel are small enough to carry in pocket or handbag,and the travel door lock also could provide additional safety and privacy.No unauthorized entry again in hotels. Easy to Use and Remove - Easy to install or remove,this security door lock can be installed in seconds without any extra tools.First put the metal piece into the slot of the door jam,then close the door, take the handle and insert into the lock in place,then no one can open the door from outside. Supportable Lock Way - This portable door lock only support inward opening door,not for outward opening door,double door,sliding door,salt door and oversize door. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin