Portable Door Lock - Portable design, compact and convenient, you can carry a safety with you. Adds Extra Securtiy - Whether ,hotel, apartment or other short-term rental hotel, once installed our portable door lock, even if other people have a key, can not open the door from the outside, adds extra safety and privacy. Easy To Install - Simple install without any tools, just insert the metal piece into the recess on the door jam, close the door, then take the red handle grooves over studs on the metal piece, only take seconds. Sturdy material:This door lock is made of quality steel material, and sturdy, good workmanship ensures smooth and have no , not easy to break or deform, sturdy enough to ensures that the door cannot be opened after being locked. Portable lock installation instruction: Step 1: Before installing the portable lock, please check if it fit. There should be more than 2.5 mm space between door side and strike plate. Just insert end of lock into space to check if it's smooth. Note: Please don't close door if there is no enough room : Open door and insert the claws of portable lock into the strike of door frame. Step 3: Close door, slide the handle toward the door as possible, thus it can work to protect door not to be opened easily. Step 4: When open door, button and slide the handle outward colour: red + silver Material: steel size: 16.7 * 6cm Package Contents: 1x Portable door locks Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.