KAK Portable Self Defense Door Stopper Anti Theft Lock

Meet the KAK Portable Self Defense Door Stopper Anti Theft Lock — a compact, high-strength security device designed to protect you wherever you are. Crafted from durable zinc alloy and finished in a bold red/black, this one-piece door stopper installs in seconds by simply inserting into the door seam. No tools, no screws, no hassle. It locks the door securely, providing a robust barrier against unwanted entry and peace of mind whether you’re at home or on the go.

Designed for inward-opening doors with a seam distance of 3–30mm, it fits most standard interior doors with a thickness of 30–50mm. The thick, protective sponge guards your door and floor from scratches, while the enhanced anti-slip design stays firmly in place. Its portable size makes it easy to carry through security checks during travel, so you can stay safe in hotels, dorm rooms, or apartments without compromising convenience.

Benefits & Tips

• Tool-free, quick 3-second installation: insert into the door seam and instantly stop and lock the door.
• Ideal for travel and temporary stays — provides reliable protection in hotels, hostels, or Airbnb accommodations.
• Durable one-piece design with thick sponge for maximum anti-slip protection and floor/door surface care.

Product specifications

• Brand Name: KAK
• Color: Red/Black
• Material: Zinc Alloy
• Model Number: Doorstop-MY
• Origin: Mainland China
• Features: Anti-theft, Self-defense, Portable size, Easy to use
• Door seam distance: 3–30mm
• For Door Open Direction: Inward
• Installation: Insert into door seam to stop and lock the door directly
• Size: Shown as the picture
• Fit Door Thickness: 30–50mm
• Type: Door Stops, Security Door Lock, Safety Door Holders, Door Stopper

Package includes:

• 1 x security door stopper

Warnings & Reminders

• Not suitable for hollow doors, glass doors, or doors with an uneven surface.
• Ensure the door seam distance is 3–30mm and the door opens inward for proper fit.
• Use as a supplementary security measure and do not rely on it as the sole method of door security.

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