# Cat Mate 357W 4-Way Locking Glass Cat Flap

Glass: Cat Mate 357W is a four-way locking pet flap for large cats and small dogs, with a round fitting intended for glazed panels and several door materials. The listing calls it both “large” and “small”, so check the stated opening dimensions and your pet’s fit before choosing it.

- [Original product page](https://bargainclover.top/product/cat-mate-357w-four-way-locking-glass-cat-flap)
- [View offer](https://bargainclover.top/visit/cat-mate-357w-four-way-locking-glass-cat-flap)
- Market: IE
- Language: en-IE
- Currency: EUR
- Brand: Cat Mate
- Model: 357W
- Category: Pet Supplies > Pet Toys & Accessories
- Price: 26.56 EUR
- Previous price: 32.99 EUR
- Discount: 19%
- Price checked: 2026-11-12T20:46:30.301Z
- Rating: 4.6 / 5
- Reviews: 2661

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Four settings provide in-and-out access, entry only, exit only or a fully locked position.
- The maker lists a 180 mm square flap opening and a maximum pet shoulder height of 14 inches.
- Fitting options include single, double or triple glazing, plus wooden, plastic and metal doors.
- A brush seal and magnetic closure are claimed to help limit draughts, with quiet flap action.

## Pros

- Four-way control offers more access choices than a simple open-or-closed flap.
- The stated round cut-out and flap opening dimensions give useful measurements for checking installation and pet fit.
- The listed fitting options cover several door materials and glazing types.

## Specifications

### Identity
- Brand: Pet Mate
- Model: 357W
### Fit and dimensions
- Overall diameter: 305 mm \(12 inches\)
- Cut-out diameter: 283 mm \(11 1/8 inches\)
- Flap opening: 180 mm x 180 mm
- Maximum pet shoulder height: 14-inch shoulder height
### Access and operation
- Locking options: in-and-out, in-only, out-only, or locked
- Closure type: Press stud
### Materials and fitting
- Material listed: Glass
- Frame material: Plastic
- Compatible glazing and fitting surfaces: single, double, or triple-glazed glass, as well as wooden, plastic, and metal doors
- Maximum compatible thickness: 2 Inches
- Minimum compatible thickness: 5 Centimeters
- Colour: White
### Pet compatibility
- Pet type: Cat, Dog
- Dog size: Small

## Before you buy

- The title calls this a large glass-fitting flap, while the size field says “Small”. The minimum thickness is listed as 5 Centimeters and the maximum as 2 Inches, which are inconsistent as minimum and maximum limits. Confirm the selected model’s sizing and compatible panel thickness before installation. The supplied description recommends professional glazier installation for glass.

## A good fit for

- Cat owners who want selectable entry and exit control.
- Homes where a round cut-out in glass or another listed door material suits the installation.
- Owners of large cats or small dogs whose shoulder height and body dimensions fit the stated opening.

## Less suited to

- Pets that need an opening larger than the stated 180 mm x 180 mm flap.
- Buyers who need confirmed insulation performance, given mixed feedback about magnetic sealing and draught insulation.

## Customer feedback

Customer feedback highlights fit, operation, ease of locking, appearance and suitability for double-glazed conservatory windows. Experiences with magnetic sealing and draught insulation are mixed. That difference matters if the flap will be installed on an exposed or draught-sensitive opening, since the brush seal and magnetic closure are listing claims rather than a guarantee of insulation.
- Positive themes: Customers report that the flap fits well and works as expected.
- Positive themes: Feedback describes the locking controls as easy to use.
- Positive themes: Customers appreciate its appearance and report using it with double-glazed conservatory windows.
- Mixed feedback: Customer experiences of the magnetic seal and draught insulation are mixed.

## Frequently asked questions

### What are the flap and cut-out dimensions?
The listing gives a 180 mm x 180 mm flap opening, a 283 mm \(11 1/8 inches\) cut-out diameter and a 305 mm \(12 inches\) overall diameter.
### What do the four locking settings do?
The listed settings are in-and-out, in-only, out-only and locked.
### Can it be fitted in glazing?
The listing says it suits single, double or triple glazing and recommends having glass installation done by a professional glazier.
### Is it suitable for a small dog?
The maker describes it for small dogs up to a 14-inch shoulder height. Check that your pet can use the stated 180 mm square opening comfortably.

## Alternative options

- [PetSafe Extreme Weather Pet Door - Triple Flap, Energy Efficient, Customisable Frame - Small](https://bargainclover.top/visit/cat-mate-357w-four-way-locking-glass-cat-flap)
- [Cat Mate Rotary 4-Way Locking Cat Flap - White](https://bargainclover.top/visit/cat-mate-357w-four-way-locking-glass-cat-flap)
- [PetSafe - Original Staywell cat and dog flap, 2 way access in or out - Indoor and outdoor pet door, Rigid, Closure Panel included - Medium - White](https://bargainclover.top/visit/cat-mate-357w-four-way-locking-glass-cat-flap)
- [PetSafe Extreme Weather Pet Door - Triple Flap, Energy Efficient, Customisable Frame - Large](https://bargainclover.top/visit/cat-mate-357w-four-way-locking-glass-cat-flap)
- [Dog Mate Lockable Medium Dog Door 215, Medium Dogs, Large Cats, UPVC, Wall, Wood, Securely Designed, White](https://bargainclover.top/visit/cat-mate-357w-four-way-locking-glass-cat-flap)

## Add-ons

- [Cat Mate 4-Way-Locking Large Flap \(221\) - Secure Lockable Door for Big Cats and Small Dogs, Easy to Install and Use, for UPVC/Metal, Wall and Wood, White](https://bargainclover.top/visit/cat-mate-357w-four-way-locking-glass-cat-flap)

## Images

![Cat Mate 357W 4-Way Locking Glass Cat Flap — 1](https://bargainclover.top/i/S0M26s15zBc22LLMW-D8VcEP89ieflB8W9z7rl_jScHNNmRGpLWuzmE2d3oxxmtHi9rrrKYuv9xqkjc9NH_wD40wdGw6Aw_mf41LVpiJAvdqqwn21KfBSHj5.jpg)

![Cat Mate 357W 4-Way Locking Glass Cat Flap — 2](https://bargainclover.top/i/6lU-SBAp8rtLkMo-29AVxV0NtoYbRQ9ldovgvDLa5r3tR4NhYxqc-20qyB4NrT7csQwt7xzfSNULQXpqycDKxCFO9K7sgl-gZ5XWZYVIVhKmsudjgfXqsZ95.jpg)

![Cat Mate 357W 4-Way Locking Glass Cat Flap — 3](https://bargainclover.top/i/Vqguxw0BWR1F_CVrQq05YehbADc75xUvm_k-MpGaQxeJG9Zj_PR1g7liiWC6K_FOsBdcy1YaI-eYYqqLTG0Fs2nEZlnDbARejMnUpfGv8SU6BgRARQ172eCB.jpg)

![Cat Mate 357W 4-Way Locking Glass Cat Flap — 4](https://bargainclover.top/i/a0RKlRc-8DJ9Fbtgm_26FvHc3hlJ3bpOLGUid1cCnAEPgNEJimEVrLBCGF7mMfRZW0TZMHTJBjW7yqhSNvWLSQsdkAYIHVySbdT62J4ubATe4BiZc84BprFZ.jpg)

![Cat Mate 357W 4-Way Locking Glass Cat Flap — 5](https://bargainclover.top/i/pxmQOMRC9lanPggutcQTjcGqa2Gylau-UDJ43nc2bfH9HVW4mIdBS6T_G4gAOp4INv1tR_WSJJH-3b6FQBxdV9sAnnFwzFLj8Y6iqM-whzupNGQiyY_zROhm.jpg)