If you need a bit more reassurance when staying at a hotel or Airbnb, then you may want to check out this 2-pack of Portable Door Lock! It 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, not even with a key, which is a great helper for you when you are on business trips or live alone. It may also be helpful to avoid pets going out, and also to prevent children from opening doors to strangers . Love, Cristina