A cat flap gives your cat freedom, but the wrong one invites strays, drafts, and chilly hallways. We looked at the magnetic and selective-entry flaps owners install most, comparing the locking options, the flap opening size, and how well each seals against wind and rain. A flap that bangs in the breeze or lets the neighbor’s cat wander in is a daily annoyance, so those points led our comparison. In our evaluation we found four-way locking and a snug magnetic seal are the features owners value most. A magnetic latch keeps the flap closed against wind, while selective-entry models use a magnetic collar key to admit only your cat. What we like is a flap sized correctly for your cat, with a telescoping frame that fits your door or wall thickness. We kept the focus on small and medium cats and the practical install details that decide whether the flap works long term.
Magnetic Cat Flap, Ranked
We researched magnetic cat flaps and found the Depets medium with 4 way lock blocks drafts and controls access best. Read our top 3 picks for secure, weather resistant doors.
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★ Top Pick: Depets Medium Cat Flap Door with 4 Way Lock (Outer …
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- Best Overall: Depets Medium Cat Flap Door with 4 Way Lock (Outer Size 7.5" x 7.8"), Magnetic Pet Door Kit White, Weather-Resistant Cat Door for Cats & Doggy. We like that the Depets flap combines a four-way lock with a magnetic seal in a medium siz.
- Best Value: Perfect Pet Soft Flap Cat Door with Telescoping Frame, Small, 5" x 7" Flap Size. We recommend the Perfect Pet Soft Flap Cat Door with Telescoping Frame, Smallfor its teles.
- Best Premium: PetSafe, Deluxe Magnetic Cat Flap, Selective Entry, 4 Way Locking, White. We chose the PetSafe Deluxe Magnetic Cat Flap for its selective entry and four-way locking.
Quick Comparison
| Product | Best For | |
|---|---|---|
| Depets Medium Cat Flap Door with 4 Way Lock (… | Best Overall | Check price → |
| Perfect Pet Soft Flap Cat Door with Telescopi… | Best Value | Check price → |
| PetSafe, Deluxe Magnetic Cat Flap, Selective … | Best Premium | Check price → |
The locking mode and seal define a cat flap more than any extra feature. Four-way locking plus a strong magnetic latch controls access and blocks drafts, which is what owners actually want day to day.
Types Explained
Four-way magnetic flap
A flap with a magnetic seal and four locking directions to control in, out, open, and locked access.
Best for: Owners who want full control over when their cat comes and goesSelective-entry magnetic flap
A flap that opens only for a cat wearing a magnetic collar key, blocking strays and other animals.
Best for: Multi-cat neighborhoods where stray entry is a problemTelescoping-frame soft flap
A lightweight flap with an adjustable frame that fits varied door and wall thicknesses easily.
Best for: Tricky installations on thicker doors or wallsTop 3 Picks
Depets Medium Cat Flap Door with 4 Way Lock (Outer Size 7.5" x 7.8"), Magnetic Pet Door Kit White, Weather-Resistant Cat Door for Cats & Doggy
We like that the Depets flap combines a four-way lock with a magnetic seal in a medium size suited to most cats. In our evaluation that full access control plus a snug latch made it our top pick.
Perfect Pet Soft Flap Cat Door with Telescoping Frame, Small, 5" x 7" Flap Size
We recommend the Perfect Pet Soft Flap Cat Door with Telescoping Frame, Smallfor its telescoping frame that adapts to varied door thicknesses, simplifying installation. Owner feedback we aggregated favors its easy fit for smaller cats.
PetSafe, Deluxe Magnetic Cat Flap, Selective Entry, 4 Way Locking, White
We chose the PetSafe Deluxe Magnetic Cat Flap for its selective entry and four-way locking that admits only a cat wearing the magnetic key. What we like is the stray-blocking control for busy neighborhoods.
Key Buying Factors
Locking modes
Four-way locking lets you set in-only, out-only, fully open, or fully locked. This control is the core reason to choose a quality flap, since it manages your cat's access day and night.
Selective entry
Magnetic or programmable selective-entry flaps admit only your cat via a collar key, keeping strays out. Magnetic-collar versions are simpler, while microchip models avoid an extra collar tag.
Flap size and fit
Match the flap opening to your cat's shoulder width and step-over height. A flap too small discourages use, while measuring your cat before buying avoids the most common return reason.
Weather sealing
A magnetic latch and brush or rubber seals keep the flap closed against wind and reduce drafts. Good sealing matters in cold climates and stops the flap banging in a breeze.
Installation and frame depth
A telescoping frame adapts to door and wall thickness, simplifying installation. Confirm the flap suits your door material, since glass and walls may need extra adapters.
Durability and security
A sturdy frame and a secure latch resist a determined cat or a curious raccoon pushing through. Look for solid construction that holds up to repeated daily use.
Care, Cost and Maintenance
Measure your cat first
Check shoulder width and the step-over height before buying so the flap opening fits comfortably. A flap that is too small will go unused, and most sizing returns come from skipping this step.
Train gradually
Prop the flap open at first and lure your cat through with treats, then let it close as confidence grows. Patient introduction prevents a cat from refusing the flap entirely.
Maintain the seal and latch
Wipe the flap, check the magnetic latch, and replace worn brush seals to keep drafts out. A clean, well-sealed flap also closes quietly instead of banging in wind.
Introduce the flap by taping it fully open for the first few days. Once your cat passes through confidently, lower it to a swinging flap, then enable locking so the change never feels sudden.
Frequently asked questions
How does a magnetic cat flap work?
Will a magnetic cat flap keep other cats out?
What size cat flap do I need?
How do I get my cat to use a cat flap?
Do magnetic cat flaps stop drafts?
How we made this guide
How we chose. We compared the options on the factors that matter most for Cats, using manufacturer specifications, aggregated verified owner reviews and editorial comparison. We rank independently: no brand pays for placement, and affiliate commissions never influence our picks.
How it was written. This guide was researched, reviewed and edited by the ProPawPicks editorial team for accuracy and usefulness. We have not personally tested every product; where we have not, rankings rely on verified specs, owner feedback and expert comparison rather than a hands-on review.
Affiliate disclosure. ProPawPicks is reader-supported. If you buy through links on our site, we may earn a commission at no extra cost to you. See our affiliate disclosure.
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Sources and further reading
Some links below are affiliate links. If you buy through them we may earn a small commission at no extra cost to you. Our rankings are based on product research, label data and suitability, not on commissions.