[Suitable for all door bolt sizes] Unlike other portable door locks, our portable door locks have been improved and can be easily used in door locks of various sizes. So this lock can be used for more attributes. [Small and portable] Our portable door locks are small and easy to carry. In addition, travelers can put it in their pockets or purses for convenient use during business trips, vacations or other trips. Since it is more portable compared to other traveldoor locks, it will not increase the weight of your luggage [Widely used in a variety of applications] Door safety locks can be used in various properties, such as apartments, dormitories, students, hotels, cars, etc. This door clip can let you fall asleep peacefully, eliminate all kinds of interference, and letyou do anything without being disturbed. It will provide additional privacy and security. [Easy installation] This door safety device is very easy to use, because it can be installed on the door in a few seconds without using any tools.