Box-Kat
Mouse Barrier for Home & Storage
Mouse Barrier for Home & Storage
Safeguard your personal belongings and inventory!
Keep mice out before they move in! The Box-Kat mouse barrier is the perfect solution for protecting your home, garage, storage unit, or business from costly and unsanitary mouse infestations.
With its patented flex-panel design, this non-toxic, eco-friendly barrier seamlessly adapts to uneven surfaces, making it quick and simple to set up in almost any environment. Instead of trapping or poisoning mice, the Box-Kat prevents them from burrowing underneath, ensuring that your belongings and property remain safe, clean, and damage-free.
Product Details
- Coverage: 50 ft of flex panels
- Square Footage: 150 sq. ft.
- Panel Height: 14 in.
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What’s new in Box-Kat 2.0?
What’s new in Box-Kat 2.0?
The best mouse barrier on the market just got better.
Box-Kat 2.0 includes several key upgrades to make protection even easier and more effective:
- Faster setup with new push-in fender clips
- Sturdier acrylic braces for increased panel stability
- More durable construction across all panels
- Easier in-and-out access for daily drivers
- Clean, refreshed design with tighter interlocks
How does it work?
How does it work?
Unlike traps or poisons that only deal with rodents after damage is done, Box-Kat works as a physical barrier to keep them out completely.
Its patented flex panels mold to uneven ground and prevent burrowing. Standing 14 inches tall, the Box-Kat is designed to stop mice from jumping or climbing over — providing 360° protection from the most common vehicle-invading rodents.
No chemicals. No cleanup. Just peace of mind.
Is it effective on all rodents?
Is it effective on all rodents?
Box-Kat is specifically designed to thwart house mice — the most frequent cause of vehicle rodent damage— and is extremely effective. Its height and panel texture are engineered to stop them from leaping over, burrowing under, climbing up, or chewing through.
It may also deter larger rodents such as rats or squirrels, but effectiveness can vary depending on their size and behavior.
For best results, make sure your setup is as level as possible and panels are securely clipped together.
Can I use the Box-Kat outside?
Can I use the Box-Kat outside?
Yes! Box-Kat is built for indoor or outdoor use — but the elements can be a factor.
To keep your barrier securely in place, we recommend using an anchoring system such as:
- Water jugs, sandbags, or cinder blocks for hard surfaces
- Garden stakes for soil or grass setups
Make sure the ground is as flat as possible and clear of tall grass or debris. Proper prep = better performance.
(See our Assembly Instructions for a full setup guide.)
Will it work on uneven or cracked surfaces?
Will it work on uneven or cracked surfaces?
Yes — that’s exactly what it’s designed for.
Thanks to our patented flex-panel technology, Box-Kat 2.0 can mold to the shape of your driveway, garage, or parking pad — including areas with cracks, dips, gravel, or slight slopes.
The panels flex and settle naturally into surface contours, forming a continuous barrier that keeps rodents out, even when the ground isn’t perfectly flat.
Just make sure to clear any tall grass or large debris, and anchor as needed for outdoor setups.



TESTIMONIALS
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Christopher (crimdom.net)
Read More"I still highly recommend the BoxKat rodent barrier – it really does work and keeps the rodents out!"
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RVtravel
Read More"This is one of those ideas where it’s a very simple solution to a common problem. And it’s probably one where I’m sure there are more than a few folks asking, “Why didn’t I think of that?” Well, Tom Sharp did—and we RVers are the beneficiaries."
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Laura V.
"Just wanted to give a shout out to Box-Kat, design much improved! Very sturdy and steady and ready to keep the mice OUT!!!!! This is a daily driver and as you can see from the pictures I can get in and out of my car easily."
Grass Valley, Oregon
FREQUENTLY ASKED QUESTIONS
How does the Box-Kat differ from traditional mouse traps or poisons?
Unlike traps or poisons, which only address rodent problems after they occur, Box-Kat provides a proactive, non-toxic solution that prevents rodents from accessing your vehicle in the first place. This means fewer headaches, no messy cleanups, and a safer environment for your family and pets.
Is the Box-Kat adjustable?
Each Box-Kat is constructed of 5-foot white panels attached by flexible black connectors. These can absolutely be manipulated and shaped to best suit your vehicle and storage situation.
Can I order a custom size or additional parts?
Unfortunately, we only offer our personal vehicle and RV kits at the moment and are not able to accommodate individual parts custom orders.
Can I drive over the Box-Kat?
No. For repeated daily use we have supplied a pair of screws and wing nuts for ease of access.
Check out our Instructions Page for more information.
How do you store the Box-Kat when not in use?
Just as the Box-Kat can be easily assembled with its push-in fender clips, it can be easily disassembled by pushing them out. If you have space, we recommend stacking partially assembled panels (5' long each) for quicker assembly.
If you are in need of additional fender clips, they can easily be found at any home improvement store or online.
How long will my Box-Kat last?
The Box-Kat is crafted from high-quality plastic materials, ensuring reliable performance and long-lasting protection. However, like any product, it may experience normal wear and tear over time. Exposure to extreme temperature fluctuations, UV rays, moisture, and wind can gradually impact its condition.
Regular care and proper setup will help maximize its lifespan and effectiveness season after season.
Can I get spare fender clips?
Currently, we do not offer spare fender clips, but suitable replacements can be found easily online.
We recommend this 30-pack set.
Is there a warranty on the Box-Kat?
With proper care and limited exposure to extreme heat or UV, the Box-Kat is designed to last between 5 to 10 years. For added assurance, we offer a materials warranty of five years for indoor use and two years for outdoor use.
While the Box-Kat delivers highly effective mouse protection, its performance relies on proper setup and routine maintenance. External factors such as wind, pets, or children can disturb the barrier, so occasional inspections are recommended to ensure it remains secure. If wind gusts reach 40mph, extra precautions anchoring the Box-Kat — including taking it down — may be necessary. A flying Box-Kat may not be useful again and can damage vehicles.
With a little vigilance, the Box-Kat offers reliable, long-lasting protection for your vehicle and property.
What is the return policy?
We accept returns within 30 days of delivery, provided the product is unopened or in like-new condition. To be eligible, the item must be undamaged and returned in its original packaging.
Return shipping costs are the responsibility of the customer. Refunds will be issued once the item has been received and inspected.