Hi! Thanks for stopping by my little shop, Muscles and Math.
Featured items
All items
Announcement
Last updated on Jul 28, 2025
Reviews
4.9
(420)
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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Jessica on Jan 28, 2026
5 out of 5 starsItem was not exactly the shirt I wanted but seller responded quickly to fix the issue.
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Roxana on Jun 22, 2026
5 out of 5 starsThis watermelon Comfort Color tee is so pretty! I love it! Thank you🩷
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Roxana on Jun 22, 2026
5 out of 5 starsI bought this melon colored Tee shirt for my daughter, and she loves it! Thank you🧡
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About MusclesAndMath
Sales
1,787
On Etsy since 2023
Shop members
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Jeanine
Owner
Production partners
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A print shop
Greeneville, TN
I, as Muscles and Math, create the design work. My production partner prints my designs on the product and ships directly to the customer.
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A print shop
Chatsworth, CA
Muscles and Math creates the designs. The products are printed, packed and shipped by my production partner to ensure high product quality.
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A print shop
United States
I create the digital designs and work with the production partner for final creation of the product.
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A print shop
United States
I create the digital designs and work with the production partner for final creation of the product.
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A print shop
Las Vegas, NV
This production partner prints and ships the final product of our designs.
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A print shop
Sioux Falls, SD
Muscles and Math creates the design work. Our production partner prints our designs on the product and ships directly to the customer.
Shop policies
Last updated on Apr 4, 2024
Shipping
See item details for estimated arrival times.
Customs and import taxes
For US deliveries, Etsy policy requires that import duties and fees are included in the checkout price. Non-US buyers may need to pay these fees upon delivery. You can message me to confirm how these fees will be paid for your order. I'm not responsible for any customs-related delays.
Payment options
Secure options
Accepts Etsy Gift Cards and Etsy Credits
Etsy keeps your payment information secure. Etsy shops never receive your credit card information.
Returns & exchanges
See item details for return and exchange eligibility.
Cancellations
Cancellations: accepted
Request a cancellation: within 6 hours of purchase
Privacy policy
More information
Last updated on
Dec 17, 2025
Frequently asked questions
Custom and personalized orders
If you would like any of my items personalized, I can do so at no additional cost. Simply send me a message and I'll get right back to you!
Sizing details
For every item I sell I include a size chart as one of the photo card to make buying the right size easy for you.
My Guarantee
I GUARANTEE YOUR SATISFACTION!
I take pride in my little shop and strive for elite customer service. If there is ever an issue with a product, simply reach out and I will make it right! If you have any questions I am only a message away.
Your Ideas for Custom Items
If you have an idea for a custom item you would like that you do not see in my store, I would love to work with you to create something new for you at no additional cost. *Please note that I do strictly adhere to trademark and copyright laws.
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