Window Lock Self-Adhesive No-Drill 3-Digit Combination & Key
High Quality
Free US Shipping
Hassle Free Returns
Secure windows and doors from unwanted opening instantly
Prevent unauthorized window and door openings reliably — easy self-adhesive mounting without drilling, customizable 3-digit combination or key access
Why is this window lock perfect for you?
✔ Easy installation without damage: The lock installs quickly with a transparent special adhesive requiring no drilling or tools, ensuring no damage to window or door frames and allowing residue-free removal.
✔ Double security with flexible unlocking: Provides two modes of unlocking via a 3-digit customizable combination lock or a key, enhancing security while allowing authorized controlled access.
✔ Versatile and child-safe design: Suitable for multiple applications including windows, sliding doors, refrigerators, and cabinets with a steel cable that prevents accidental falls yet allows safe ventilation gaps for airflow.
Specifications
Material: ABS plastic with steel cable
Unlocking method: Key or 3-digit combination lock
Adhesive type: Transparent, residue-free special adhesive
Color options: White key, Black key, White password, Black password
Frequently asked questions
Quick answers about ordering from Couje. More detail on our full FAQ page.
How much does shipping cost, and how long does it take?
Shipping is free on every order — no minimum. Orders are typically delivered within 4–12 business days (processing included), and every order includes tracking. Full details are in our Shipping Policy.
What is your return policy?
You can return items within 30 days of delivery. Once your return is received and inspected, we process your refund to the original payment method. See our Return & Refund Policy for the full process.
How do I track my order?
As soon as your order ships, we email you a tracking number. You can follow your delivery at any time on our Track Your Order page.
How can I reach customer service?
Email us at support@couje.com or use our contact form. Our team is available Monday – Friday: 09:00 AM – 05:00 PM EST and replies within 24 hours. Saturday – Sunday: closed.