---
product_id: 557826800
title: "Cat Door for Windows, Pet Doors and Sliding Door, Safety Pet Door with 4 Way Lock, Weatherproof Cat Flap for Thin Door and Wall(Medium, 17cm x 16cm Flap)"
brand: "lessmon"
price: "$55"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/557826800-cat-door-for-windows-pet-doors-and-sliding-door-safety
store_origin: NZ
region: New Zealand
---

# 4-way lock modes for ultimate control Ultra-thin 2cm frame fits windows & sliding doors Weatherproof ABS plastic for year-round durability Cat Door for Windows, Pet Doors and Sliding Door, Safety Pet Door with 4 Way Lock, Weatherproof Cat Flap for Thin Door and Wall(Medium, 17cm x 16cm Flap)

**Brand:** lessmon
**Price:** $55
**Availability:** ✅ In Stock

## Summary

> 🐾 Unlock your pet’s freedom with style and security!

## Quick Answers

- **What is this?** Cat Door for Windows, Pet Doors and Sliding Door, Safety Pet Door with 4 Way Lock, Weatherproof Cat Flap for Thin Door and Wall(Medium, 17cm x 16cm Flap) by lessmon
- **How much does it cost?** $55 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/557826800-cat-door-for-windows-pet-doors-and-sliding-door-safety)

## Best For

- lessmon enthusiasts

## Why This Product

- Trusted lessmon brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Setup:** Includes templates, screws, and double-sided tape for a quick, hassle-free install.
- • **All-Weather Protection:** Sealed flap with magnets keeps bugs, drafts, and odors out, maintaining your home’s comfort.
- • **Sleek, No-Cut Installation:** Fits thin doors and windows with no tunnel or major modifications needed.
- • **Customizable Access Control:** 4-way lock lets you decide when pets come and go—no unwanted visitors allowed.
- • **Freedom at Your Pet’s Fingertips:** Let your cat or small dog roam freely without you lifting a finger.

## Overview

This medium-sized cat door (17x16cm flap) features a slim 2cm ABS plastic frame designed for windows, sliding glass doors, and thin walls. It offers 4-way locking modes for precise pet access control, weatherproof sealing to block drafts and pests, and a simple installation process with included templates and hardware. Perfect for small dogs and cats under 50cm waist circumference, it combines durability with convenience for modern pet owners.

## Description

Sponsored Ad – Cat Door for Windows, Pet Doors and Sliding Door, Safety Pet Door with 4 Way Lock, Weatherproof Cat Flap for Thin Door and Wall(Medium, 17cm x 16cm Flap)

## Features

- Freedom & Convenience - Through the great cat door, your cats or small dogs can go in and out easily and quietly. They won’t feel trapped and you no longer bother to open or close the door for them.
- Safer with 4 Lock Modes - By slide the switches, you can adjust the access mode to Free In & Out, Fully Locked, Out Only, In Only, control your pet’s access and keep away stray animals.
- No Tunnel Part, No Need to Cut - The panels are only 2cm thick and tightly fitted, suitable for windows, wooden door and sliding glass door, etc. With 19.7x 19cm outer size, 17 x 16cm flap, the cat door for window great for cats and small dogs with waist circumstance shorter than 50cm.
- Durable & Comfortable - Made of sturdy ABS plastic, the cat door interior door is ready to serve your pets for long time. With sealing well strip, magnet for aligning, it can keep away bugs and the smell of cat litter, reduce the loss of cold air in summer and the loss of heat in winter.
- Simple Installation - Package includes detailed instructions(with templates on), 8 screws and their caps, double-sided tapes. You can cut the template off and install the cat door for sliding glass door easily.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Minimum compatible thickness | 0.1 Centimetres |
| Frame material | Acrylonitrile Butadiene Styrene (ABS) |
| Dog Breed Size | Small |
| Model Number | Lessmon-Screen Cat Door |
| Product Dimensions | 2 x 19 x 19.7 cm; 270 g |
| Item Weight | 270 g |

## Product Details

- **Size:** M
- **Brand:** Lessmon
- **Colour:** White
- **Material:** Plastic
- **Closure type:** Magnetic

## Images

![Cat Door for Windows, Pet Doors and Sliding Door, Safety Pet Door with 4 Way Lock, Weatherproof Cat Flap for Thin Door and Wall(Medium, 17cm x 16cm Flap) - Image 1](https://m.media-amazon.com/images/I/61jjiTUAT2L.jpg)

## Available Options

This product comes in different **Size Name** options.

## Frequently Bought Together

- Cat Door for Windows, Pet Doors and Sliding Door, Safety Pet Door with 4 Way Lock, Weatherproof Cat Flap for Thin Door and Wall(Medium, 17cm x 16cm Flap)
- Cat Mate 2-Way-Locking Cat Flap (304) - Secure Lockable Door for Small to Medium Sized Cats, Easy to Install and Use, for Screen, UPVC and Wood, White
- Cat Mate 4 Way Locking Glass Fitting Cat Flap (Medium)

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**Shop now:** [https://www.desertcart.nz/products/557826800-cat-door-for-windows-pet-doors-and-sliding-door-safety](https://www.desertcart.nz/products/557826800-cat-door-for-windows-pet-doors-and-sliding-door-safety)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-27*