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Full Moon Pi Day Fun Keychain

4.6 out of 5 stars rating
5402 Total Reviews |
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Style
Aluminum Circle
+$2.25
+$2.25
+$10.95
+$10.95

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About Keychains

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Create your own from scratch

Style: Metal Circle Keychain

Keep your keys safe and spectacular with this sturdy aluminum keychain from Zazzle. Beautifully printed on both sides, you can choose from thousands of designs, or personalize it with your own photos, text or unique designs. Label your car keys or keep a family photo of loved ones close to you at all times, these personalized keychains are light and waterproof.

  • Dimensions:
    • Diameter: 2"
    • Depth: 0.045"
    • Weight: 0.05 oz.
  • Full-color, full-bleed printing
  • Silver colored metal key ring with plastic snap ring
  • Light and waterproof
Designer Tip: To ensure the highest quality print, please note that this product’s customizable design area measures 2” in diameter. For best results please add 1/16" bleed

About This Design

Full Moon Pi Day Fun Keychain

Full Moon Pi Day Fun Keychain

Talk about pi in the sky! This image of the full moon shows something more. It’s the math symbol Pi embedded in the seas and craters of the Moon’s surface. Not quite astronomically correct, perhaps, but lots of fun for Pi Day and a perfect gift for science and math enthusiasts. Something quite irrational on Piday.
Gigapacket
Silver
Artwork designed by
Rockford, Illinois
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Customer Reviews

4.6 out of 5 stars rating5.4K Total Reviews
4193 total 5-star reviews780 total 4-star reviews214 total 3-star reviews116 total 2-star reviews99 total 1-star reviews
5,402 Reviews
Reviews for similar products
5 out of 5 stars rating
By Ali Y.February 4, 2026 • Verified Purchase
Aluminum Circle, 2"
Lovely & cute keychains i love them thank you sooo much ,they also reached to me soo fast 😍.
5 out of 5 stars rating
By V.August 21, 2023 • Verified Purchase
Zazzle Reviewer Program
Beyond expectations. Choice of artwork is overwhelming, I found exactly what I needed from SJW_Graphics. Detail, colors, overall design looks great on this keyring. Could use as a pendant, purse charm, bookmark, too! Metal is sturdy without being heavy. Colors beautiful, with clear margins. Customized name makes this gift extra special. So many fonts, so many colors & sizes!
Original product
5 out of 5 stars rating
By linda f.June 18, 2025 • Verified Purchase
Premium Round, Small (1.44")
So cute and this is perfect!!!

Tags

Keychains
moonpidaypi dayskyfunastronomymathmathematicsnumbersirrational
All Products
moonpidaypi dayskyfunastronomymathmathematicsnumbersirrational

Other Info

Product ID: 146287014764431750
Created on: 2/10/2020, 7:21 PM
Rating: G