OWYR Adjustable Magnetic Fly Screen Window (DIY kit up to 150x180cm) with trim-to-fit fiberglass mesh
Product description
The essentials
If you want a window insect screen without the hassle of screws and permanent fitting, OWYR’s Adjustable Magnetic Fly Screen Window is built around a simple idea: a fiberglass mesh panel that you can trim down to size, held in place with magnetic strips for a close, gap-minimising seal. It’s the sort of DIY fix you reach for when mosquitoes and other bugs are getting too bold, but you don’t fancy drilling into frames.
On paper, it ticks several practical boxes at once: adjustable sizing (up to 150x180cm), no-drill installation using adhesive, and a mesh material positioned as fire-retardant, fireproof and chemical-resistant. There’s also a step-by-step installation video included, which matters if you’ve never fitted a magnetic fly screen before.
That said, it’s not perfect for every window setup. Because the fit may require trimming and the screen size can vary by 1–3cm depending on your cut, it’s worth measuring carefully and being comfortable with minor DIY work.
What you’ll notice day to day

This is designed to keep insects out while letting fresh air and daylight in. In real life, that typically means you can leave windows slightly open without letting every flying nuisance move in. If you’ve got kids or pets, that “open window, less bug risk” angle is usually the main reason people buy window fly screens like this.
The magnetic fly screen strips are the core of how the system stays put. The goal is a secure fit with fewer gaps where insects could sneak through. While magnetic closures are convenient, performance can depend on how straight the mounting surface is and how cleanly the screen sits after trimming.
One small limitation to keep in mind: the instructions mention the window screen size may vary by 1–3cm and may need trimming for a totally snug fit. If you’re aiming for a totally perfect fit on a very specific opening, take that seriously—don’t assume it will be exact straight out of the pack.
Key features that matter for buying


A few parts of the product description are particularly relevant when deciding whether it’s worth your time:

- Adjustable, trim-to-fit sizing: It’s stated to fit windows up to 150x180cm and the fly screen can be trimmed to a smaller size.
- Upgraded fiberglass mesh: The mesh is described as flame-retardant, fireproof, and chemical-resistant.
- Magnetic strip fastening: Positioned to help create a secure fit with reduced gaps for insects.
- No drilling installation: Uses strong adhesive for a setup described as quick (about 15 minutes) and intended to leave no marks on frames.
- Maintenance is manageable: The netting is washable and described as replaceable, cleaning is suggested with a damp cloth or vacuum.
Also, this is presented as a universal solution across common frame types—aluminium, wood, iron—and across a range of window styles (sliding windows, casement windows), plus shutters, skylights, bathroom/toilet windows, and even caravans or balconies.
Installation and fit: the real-world expectations
The kit is designed for DIY with no drilling, relying on adhesive and a step-by-step installation video. That can be a big win if you’re renting or simply don’t want to leave holes behind.
A sensible approach is to treat fitting as a careful measuring-and-cutting job rather than a “stick it anywhere” task. Because trimming may be required for a totally fit, you’ll get better results if you:

- measure the window opening properly before trimming
- plan for the possibility of a 1–3cm variation mentioned in the product details
- make sure the screen sits flat so the magnets can do their job
If you struggle with DIY or you want a plug-and-play screen with no trimming, you may end up disappointed—this one leans practical and hands-on.
Compatibility and where it makes sense


OWYR positions this as broadly compatible with different frame materials and several window types. That flexibility is useful if you’re trying to tackle insects across more than one room (or across a home and a caravan-style setup).
It may be a particularly sensible purchase if you’re looking for:

- a first-time window fly screen solution
- a no-drill option for sensitive frames
- a screen you can clean and maintain rather than replace after every season
However, you may want to skip it if your window layout is unusual or if you’re unable (or unwilling) to trim for a good seal. Magnetic fly screens are only as effective as the fit you achieve.
Care & maintenance
The mesh is described as washable, replaceable, and easy to clean with a damp cloth or vacuum. Over time, that simple cleaning routine matters because dust and grime can build up on any fly screen and make it look tired—plus it can affect how neatly the mesh sits.
Is it worth it?

Final verdict
Worth considering if you want a magnetic fly screen window solution that’s designed for DIY fitting, avoids drilling, and lets you open windows for air and sunlight while reducing insects. The adjustable, trim-to-fit approach up to 150x180cm is a practical way to cover common window sizes, and the cleaning/replaceable mesh description helps justify keeping it long-term.


Better avoided if you need a totally exact, out-of-the-box fit with no trimming, or if you’re not comfortable measuring and doing a bit of cut-and-fit work. It’s not the best match for “set it up in minutes with zero effort” expectations, even though the install is described as quick.
Mini FAQ
How does the no-drill installation work?

It uses strong adhesive for a no-drill setup, with installation guidance provided via a step-by-step video.
Can the mesh be resized?
Yes. The fly screen can be trimmed to a smaller size than the maximum stated window dimensions.
Will it block insects while still letting air in?
That’s the intention: it keeps mosquitoes and insects out while allowing fresh air and sunlight in.
How do I clean the fly screen?
The netting is described as washable. Cleaning is suggested using a damp cloth or vacuum.
Does it suit different window frames?
It’s described as working with aluminium, wood, and iron frames, and across several window types such as sliding and casement windows, plus shutters and skylights.
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