Heavy-Duty Portable Zinc Alloy Door Lock for Home & Travel Security

【Upgraded Portable Design】
No drilling, no damage—slips on in seconds and removes just as fast. Toss it in your pocket or bag for instant security in hotels, dorms, Airbnbs, bedrooms, or any private space.
【Heavy-Duty Strength】
Solid aluminum alloy core withstands up to 800 lbs of force, turning any inward-opening door into a barricade. Your lightweight travel-bodyguard against kick-ins and unwanted entry.
【Adjustable Knob + Rubber Pad】
Twist the knurled knob (8 mm range) and the rubber pad grips doors 46-60 mm thick—no scratches, no wobble, perfect fit every time.
【One-Hand Operation】
Pinch, pull, swing—unlock in under a second. Reverse to lock. No keys, no batteries, no learning curve; instructions are molded right on the tool.
【Fits Most In-Swing Doors】 Lock slot ≥14 mm, gap ≥0.08 in, thickness 46-60 mm. Double-check before ordering—NOT for sliding, outward-opening, or double doors.

【Upgraded Portable Design】— New portable reinforcement door lock requires no drilling for installation. It is easily removable when not in use and convenient to carry—making it great for hotels, dorms, apartments, short-term rentals, bathrooms, bedrooms, or private rooms. This design combines convenience with enhanced protection for your safety and privacy.
【Heavy-Duty Build】— Made of sturdy aluminum alloy, door reinforcement lock resists up to 800 lbs of force (e.g., kick-ins) for strong anti-theft protection. It’s the ultimate portable door lock for travel and apartment security, acting as a reliable extra door lock from inside for hotel rooms and homes. This home security door lock provides peace of mind for all travelers and families.Warm Tip: Check size compatibility with your door before buying.
【Adjustable Knob + Rubber Pad Design】— The portable door lock for travel features an adjustable knob (maximum 8mm adjustment) to fit different door thicknesses and gaps.Turning the knob makes the rubber pad cling tightly to the door, stopping loosening/wobbling and avoiding door scratches.
【Easy One-Hand Operation​】— Using this reinforcement door lock is a breeze—no complex steps required! Just use your thumb and forefinger to pinch both the top and bottom grooves, pull gently to the side, and swing it away from the door to unlock. To lock it again, simply reverse these easy actions You can also see a step-by-step instruction in our pictures.
【Application Scope】— This front door reinforcement lock is specifically designed to fit most inwards-opening doors. To ensure compatibility, please note the following requirements: lock slot width ≥14 mm, door thickness ≥46 mm and ≤60 mm, gap ≥0.08 inches. Important Reminder: Not for sliding doors, double doors, outward-opening doors, or rolling gates.