Billions of birds die every year from window strikes. Window Gems® are the first beautiful and effective solution to this problem.
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Last updated on Sep 26, 2025
Reviews
4.9
(6860)
Average item review
We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience.
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Etsy buyer on Sep 19, 2026
5 out of 5 starsThese work great and blend in with the window. We used to have a bird hit our bay window at least once a day. Now it's more like once a week or less.
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Kathy on Sep 16, 2026
5 out of 5 starsThese are good quality and so fun to put up. Haven't had any bird strikes since they were applied to the windows.
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Lynn on Sep 11, 2026
5 out of 5 starsHave them up on the windows as I write this. Great decorations
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Natalie on Aug 28, 2026
5 out of 5 starsseems to work pretty well. I have multiple feeders by my window and no more stunned or dead birds!
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Linda on Jul 14, 2026
5 out of 5 starsI am very happy with the window clings. I have purchased the rings, the circles and stars. I love the way they look. I have them on 3 windows and have ordered more. There have been no bird collisions on those windows. I almost forgot...the colors from the prism affect is beautiful!
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Karen on Sep 18, 2026
5 out of 5 starsI love these clings for my patio door just what I was looking for good quality highly recommended! Karen
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Kathy on Sep 16, 2026
5 out of 5 starsThese are good quality and so fun to put up. Haven't had any bird strikes since they were applied to the windows.
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Kathy on Sep 16, 2026
5 out of 5 starsThese are good quality and so fun to put up. Haven't had any bird strikes since they were applied to the windows.
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Kathy on Sep 16, 2026
5 out of 5 starsThese are good quality and so fun to put up. Haven't had any bird strikes since they were applied to the windows.
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Nicole on Sep 14, 2026
5 out of 5 starsso lovely! I hope it saves some birds. Thanks for the extra gifts!
About WindowGemStudio
Sales
36,816
On Etsy since 2019
Shop members
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Eileen Renger
Owner
Eileen has a background in architecture and design, and spends much thought on creating beautiful things. When she isn’t creating more Window Gems she might be gardening, responding to “Mom!", sewing, needle felting, or swimming.
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Kendra Bainbridge
Owner
Kendra is a biologist and the owner of Raven Tree, a wild bird and nature shop in our little town of Mount Shasta, California. She is a wealth of information about birds and is thrilled that our Gems are saving thousands of them every day.
Shop policies
Last updated on Nov 4, 2020
Shipping
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Returns & exchanges
See item details for return and exchange eligibility.
Cancellations
Cancellations: accepted
Request a cancellation: before item has shipped
Privacy policy
More information
Last updated on
Dec 17, 2025
Frequently asked questions
Custom and personalized orders
We are happy to create a custom design for you. We can pretty much create anything as long as it fits on a 12"x 24" sheet.
Can I apply these to the insides of the window? I can't reach the outsides.
You can certainly put them on the insides of the windows, they bring rainbows in the sunshine no matter which side of the window they are on. They do work better at warning off birds if they are on the outside. But they will help a little even on the inside. You also might find that your kids have fun moving them around on the insides of their bedroom windows
How do they stick?
Static cling makes them stick. When applying them, we find that a very clean window works best. If it is very cold out I warm up the clings in hot water to soften them before applying.
There is paint over-spray "dust" on my windows, what do I do?
I have had to razor-blade paint flecks off windows before to make the clings stick perfectly. Don't worry, a razor will not scratch glass, just rinse any actual dirt off first.
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