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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
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Description
Pi Blanket—The Irrational Math Blanket with 4000+ Digits of Pi! 54" x 64"This Pi blanket is the most irrational math blanket around! It is super soft and fuzzy and makes the perfect Pi Day gift for your favorite math teacher, professor, or Pi fan friend! Available in grey, navy, and tan colors, this 54" by 64" fleece Pi blanket features over 4,000 digits of Pi with a color change optical illusion that makes the silhouette of the Greek symbol!
This Pi blanket is the most irrational math blanket around! It is super soft and fuzzy and makes the perfect Pi Day gift for your favorite math teacher, professor, or Pi fan friend! Available in grey, navy, and tan colors, this 54" by 64" fleece Pi blanket features over 4,000 digits of Pi with a color change optical illusion that makes the silhouette of the Greek symbol!Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Durable
Color: bone, Size: 1 Count (Pack of 1)
Perfect chew toy for my cat that thinks it’s a dog
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
★★★★★ 4
Wears out more quickly than standard versions
Color: bone, Size: 1 Count (Pack of 1), Color: bone, Size: 1 Count (Pack of 1)
While my puppy loved this bone and it was a good starter toy, it didn't last long. Our lab puppy loves to chew - especially when we stuffed the ends on this bone. After about 1.5 months of moderate use, she ended up chewing off and swallowing a small chunk of this bone, which she thankfully passed without issue. The material of this bone is intentionally softer than other kong toys, so it breaks down easier, and you will need to inspect it for wear more frequently. We have since upgraded to the large super chewer version for her, and she still loves it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 22, 2025
★★★★★ 5
Teething proof!
Color: bone, Size: 1 Count (Pack of 1)
My 9 month old mini dachshund loves this bone. Holds up impeccably. Great price. Thank you Kong!
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Reviewed in the United States on February 25, 2026
★★★★★ 5
Nice
Color: bone, Size: 1 Count (Pack of 1)
Nice
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Reviewed in the United States on June 8, 2026
★★★★★ 5
Great for Puppies
Color: bone, Size: 1 Count (Pack of 1)
Yes, my puppy loves it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
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