Everyone's favorite traveling companion. It includes a further security layer for everyday doors and is for use in homes, hotels, rental units and other locations. This long-lasting portable door lock is easy to install and offers extra protection for you and your loved ones. Features - Color: Red. - Material: Iron, PP. - Size: About 30.00X5.50X1.00cm/11.79X2.16X0.39inch. - This portable door lock provides you with extra security and privacy, greatly improving your security and preventing unauthorized entry. - The door can't be opened from the outside, not even with a key. - A great helper for you when you are on business and trips, or live alone. - It may also be applied to avoid pets going out, and also to prevent children from opening their doors to strangers. - Just insert the iron piece into the slot of the door lock, close the door, and then put the red handle groove to the stud on the metal sheet, then no one can open the door from outside.