Quickjam Universal Portable Security Door Blocker – Installs In Seconds, Compatible With Most Residential And Commercial Doors

Add an extra layer of security with the The QuickJam Universal Door Blocker. This portable security device installs in seconds and works on most standard residential and commercial doors with a knob or lever. Its discreet size makes it the perfect travel companion for use in hotels, apartments, college dorms, vacation accommodations and more. It’s like having a secondary deadbolt.