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30 DAY GUARANTEE: Door Defense offers a 30 day guarantee on all unused purchases. Simply send the item(s) back to us in the original unopened packaging for a full refund or replacement, less S&H.

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Have a Question? See Our FAQs

Question: How does Door Defense work?

Door Defense works by reinforcing the existing lock on any door. When used correctly, Door Defense will keep your door closed, even when someone is trying to get in.

Question: Is it strong enough to keep me safe?

Yes! Door Defense is designed to prevent anyone from accessing your room by sealing your entrance. Even with extreme force.

Question: Will it damage my lock or door?

No, Door Defense is a temporary, portable lock that is designed to keep you safe without any extra tools or renovations.

Question: What if I want to see who is on the other side without opening the door?

Door Defense allows for a small opening to see who is on the other side of the door or passing mail through. That way, you decide if it is safe before opening the door.