Travelers Security Lock - Portable Door Lock - Prevent Entry From The Outside - Rest Assured That Our Lock Will Hold Up To The Toughest Of Tests - Works With All Doors Left Or Right Handed -Made in US [NO-NONSENSE!] Aircraft aluminum construction provides you the ability to rest assured that our lock will hold up to the toughest of tests - ... Faster And Easier Than Ever Before [REVOLUTIONARY!] Only lock to be issued a U.S and Canadian utility patent, our lock uses Newton's 3rd law of physics and applies any force taken and distributes it amongst the lock and door frame - - FAST! [EFFECTIVE!] Easy to follow instruction sheet and Youtube installation videos makes it so you can install As long as you have a gap 1/8 -1/4 of an inch between the door and door frame you can rest assured that our lock will fit as designed in no time flat [REMARKABLE RESULTS!] Handy carrying case enables you to take it with you Our lock fits in the palm of your hand and is completely portable, which means no matter where you are you will not be without reliable safety ... faster and easier than ever before [SUPERIOR PERFORMANCE!] Works with all doors left or right handed always have a portable door lock that you can take with you and use on any door Today