Portable Lock Package Included: 1 x Instruction Manual 1x Packing Bag 2 x Red Door Lock Size: Iron piece: 5.1*1.65*0.047 inch Suitable door hole: 0.87*0.78 inch 1.18*0.78 inch SECURITY AND PRIVACY The security lock is equipped with a carry pocket bag, you can put it in a pocket or purse, can be used when staying in a hotel or other short-term rental. When you fall asleep, someone outside the door cannot open the door with the key, which greatly improves your security. EASY TO USEPortable security door locks can be quickly installed and removed without any tools or drilling, an indispensable security assistant for travel. The first step is to open the door and insert the metal piece into the door lock slot; the second step is to close the door, then put the red handle groove on the metal part stud, the installation is complete. LARGELY USEDPerfect for motels, hotels, resorts, dorms, apartment security, short term rentals, bathrooms, bedrooms, etc. It can also be applied to prevent animals from going out and to prevent children from opening their foreign doors. Door lock security is the second protection, you should also lock your door, instead of relying on it. PORTABLE DOOR LOCKThey are suitable for doors that have hinges and open inwards, there must be a suitable door gap (door gap 3mm), the upgraded door lock has two different sizes of door holes: holes 0.87*0.78 inch door size1.18 * 0.78 inch door holes: not for sliding door, double opening door, slatted door and hinged door.