High quality: The portable door lock travel Lockis made of high-quality 304 stainless steel, which is durable and stable. The solid structure adds extra security to your room. No rust, long service life. Solid Heavy duty lock to enhance security and privacy: This portable door lock for travelling portable locks for doorsprovides effective security and protection for hotels, apartments, dormitories and bedrooms. The portable door lock prevents unauthorized entry. Even with a key, the door cannot be opened from the outside. To provide you with additional security and privacy, anti-theft security artifact. Convenient to carry: The portable door lock is small and convenient in size, which can be easily packed into a pocket or handbag. Additional safety and privacy lock is very suitable for traveling, does not take up space, and is very convenient to use. How to use: The safety door lock can be installed in a few seconds without any tools. First, loosen the butterfly nut, and then twist the wing to the same plane as the hook; 2. Put the hook into the lock, and then close the door; 3. Twist the wing to the plane and then tighten the wing nut. The portable door lock provides you with additional security, protection and privacy.(Note: applicable to doors with a gap of more than 2mm.) Widely used: The portable door lock is very suitable for college students, single students, business people, family mothers, etc. who often travel on business trips. Travel door lock can provide you with additional security. Portable door locks are suitable for hotels, apartments, dormitories and bedrooms.