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Testing in production coffee mug

4.8 out of 5 stars rating
22833 Total Reviews |
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Style: Classic Mug

Give a made-to-order mug from Zazzle to someone special, or treat yourself to a design that brings you joy or makes you laugh. Create your own photo mug, shop our collection of the funniest joke mugs, personalize your mug with a monogram, or express yourself with one of our 10 million designs.

  • Available in 11-ounce or 15-ounce
  • Dimensions:
    • 11-ounce: 3.2” D x 3.8” H
    • 15-ounce: 3.4” D x 4.5” H
  • Microwave and dishwasher safe
  • Use caution when removing the mug from the microwave. Use a pot holder or glove as necessary if it is too hot to the touch. Do not microwave an empty mug
  • Strong, ceramic construction
  • Meets FDA requirements for food and beverage safety
  • Printed on demand in Reno, NV
  • Do not overfill and be careful with hot liquids that may scald
  • Keep out of reach of children when filled with hot liquid

About This Design

Testing in production coffee mug

Testing in production coffee mug

Funny programmer sticker featuring a cool coding cat who definitely doesn’t always test their code 😎 This playful design shows a confident cat developer working on a laptop with a “Success!” screen—because testing is optional… especially when it’s done in production. Perfect for developers, programmers, and tech lovers who enjoy a bit of coding humour. Great for decorating laptops, water bottles, notebooks, or workspaces. Makes a fun gift for software engineers, coding students, and anyone who lives the developer life. ✔ Cute and eye-catching design ✔ Perfect for programmers & cat lovers ✔ Ideal for laptops, journals, and tech gear Whether you're debugging or just embracing the chaos, this sticker says it all.
Itai Doshin
Artwork designed by
United States
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Customer Reviews

4.8 out of 5 stars rating22.8K Total Reviews
20103 total 5-star reviews1920 total 4-star reviews351 total 3-star reviews165 total 2-star reviews294 total 1-star reviews
22,833 Reviews
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By Jesmina B.January 7, 2024 • Verified Purchase
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My order was on time, and looked exactly how it appeared on the order site. Printing is gorgeous and so far lasting really well.
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By DerekAugust 16, 2022 • Verified Purchase
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Replacement mug arrived today and in record time!! (The original one was damaged in shipping) The mug is in perfect condition. Thanks to Zazzle for excellent customer service. Derek. The printing is beautiful. A nicely inspired design.
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By Kristie N.December 15, 2020 • Verified Purchase
Classic Mug, 444 ml
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I bought these mugs to give to my clients and people connected to my business and they have had great success. Very happy with the outcome, the service, and the product. Printing turned out great, colours with vibrant and product looks clear and professional. Happy with the results.

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programmer stickercoding humourfunny developercat programmercoding catsoftware engineerdeveloper memetech humourcoding jokedebug life
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programmer stickercoding humourfunny developercat programmercoding catsoftware engineerdeveloper memetech humourcoding jokedebug life

Other Info

Product ID: 256355546457434933
Designed on 2026-04-09, 3:35 AM
Rating: G