?? Super Easy to Install --- Portable door locks need no drilling or screwing. As thin as an envelope, this compact portable door locks latch can be easily installed or removed in mere seconds, making it a must-have security and privacy tool while traveling. The metal plate has a hole clip it onto the strike plate while the door is open.Then closed the door, making sure the latch engages. Taking the red key, the metal knob on it's pushed through a corresponding hold on the plate.Then finish lock?? Lightweight and Small --- Portable door lock come with a nice pouch bag that you can carry it anywhere you want, the iron piece is just 5.12x1.6x0.45 inches, the length of the chain is not more than 4.7 inches, and door security locks weighs 4.2 ounces. It can be slipped into most pants pockets at this size, or into a purse without taking up too much room. As easy to disengage as it is to install, our portable door lock is certainly a great choice for the best portable door lock?? Strength and Durability --- Interior door lock entire system is constructed from stainless steel and molded plastic. Dont mistake its small size for its strength,though. Home security portable door lock is made with solid stainless steel and holds a heavy-duty strength. As you lock the door, nothing will be able to break in, let it be heavy slam or a strong push. As for durability, this door lock is made of thick stainless steel, anti-rust and anti-corrosion feature back it up against rust?? Effective with Doors That Open Inward --- The only requirement for the lock to work is a door that has hinges and opens inwards. A little additional security can bring a lot of peace of mind especially for the frequent traveler. Our inside portable door security lock gives you additional safety, security and privacy It is a portable industrial strength door safety device that prevents your doors from unnecessary intrusion. You can easily get all the security you crave whether at home or away?? Widely Used Door Locks--- Needed a privacy on that place that doesnt have any lock? Sick of being barged in on while in a bathroom with no lock? Kids barging in your bedroom door? Needed an easy to install lock plus you can bring it anywhere? This Portable Door Lock for security might be the answer to all those questions Making your house and rooms safe from force entry. You dont have to worry about spending a fortune on it, portable door blocker security lock is very cheap and affordable