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SHIPPING & HANDLING ONLY 50¢ PER ITEM (International $1.00 per item, limited to window decals.)
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Butterfly Decal Envelope - 4 decal pack

  • Butterfly Window Decal - Prevent Bird Strikes
  • Butterfly Window Decal  in Use

Butterfly Decal Envelope - 4 decal pack


Product Description

WindowAlert decals help prevent wild birds from accidently striking windows. Each decal has a special coating that reflects ultraviolet sunlight. This ultraviolet light is invisible to humans, but birds see it as a brilliant glow much like a stoplight.

To the human eye, the decals appear as frosted or etched glass. Butterfly decals measure approximately 4" across. WindowAlert decals are designed to be placed on the OUTSIDE of a window. As a rough guide, we recommend one decal for every 3' x 3' section of glass. Reapply decals every 6-9 months.

CONTENTS: 4 Decals per Envelope. TYPE: Static cling.

(If a bird repeatedly attacks your windows, please consider our Stop Bird Attack product.)

Product Videos

Save Birds: WindowAlert Products and Installation 01:42

Now You Can Protect Wild Birds From Striking Windows Millions of wild birds are killed each year flying into windows. Now you can save the lives of the beautiful birds you love.

  • Save Birds: Wi...
    Now You Can Protect Wild Birds From Striking Windows http://ww...

Product Reviews

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  1. bird still hitting window 2 Star Review

    Posted by on 30th Jun 2019

    I have one crazy bird that is going from one window to the next. If I leave my garage door open he goes in and attacks my cars.

  2. Did not work 1 Star Review

    Posted by on 27th Jun 2019

    I purchased three different types of the UV decals and birds are still hitting the sliding door. One actually hit right on top of the decal.

  3. Superb product 5 Star Review

    Posted by on 12th Jun 2019

    Performs as described, very effective at stopping bird/window strikes.

  4. Easy to use... and they work! 5 Star Review

    Posted by on 8th Jun 2019

    I have been using these decals for years. They definitely reduce bird strikes on our patio windows. They are very easy to apply and stay in place until you're ready to replace them.

  5. Nice product 5 Star Review

    Posted by on 29th May 2019

    Very durable, easy to apply.

  6. Works perfectly! 5 Star Review

    Posted by on 28th May 2019

    Works perfectly! We had birds flying into our picture window daily. We have not had a bird hit the window since installing the decals.Clean the window, stick on the static cling decals. Perfect and easy!

  7. Everyone Should Use 5 Star Review

    Posted by on 26th May 2019

    We live in the country and I love when my feathered friends return in the Spring but my heart is sickened when I see that they have collided with the glass deck. The butterfly decals are attractive and do their job. They reflect a prism of light that the birds see and it saves their lives! Easy to remove and change locations. I wonder though if they wear out over time especially facing south. In any event I got a whole new set in a new pattern and it's worth every penny. Thank you for such a wonderful product.

  8. NONE BETTER 5 Star Review

    Posted by on 22nd May 2019

    We’ve used WindowAlert clings for years, that says it all.

  9. Reduced birds striking windows 4 Star Review

    Posted by on 9th May 2019

    The stickers are far less intrusive than sillohuettes on the windows. They have reduced but not eliminated birds hitting our windows.

  10. Keeps Birds from Hitting Patio Door 5 Star Review

    Posted by on 2nd May 2019

    Just replaced the decals on my glass patio door after a bird hit it. The next day, I watched a bird flying right at the door and then veer away, so the decals are working. Thanks Window Alert!

Previous | Showing reviews 11-20 of 87 | Next