Mug Senpai FAQ

Frequently Asked Questions

Last updated: June 17, 2025
We’re here to help — below are answers to the most common questions from our customers.

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1. Do you accept returns or exchanges?
No. Since each mug and T-shirt is made to order, we do not accept returns or exchanges.
However, if your item arrives damaged, incorrect, or defective, please contact us within 2 days of delivery and we’ll help make it right.
See our Returns & Refunds Policy for full details.

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2. My mug arrived damaged. What do I do?
We’re so sorry! Please email us with:
• A clear photo of the item and packaging
• A short explanation of the issue
• Your order number and the email used at checkout
We'll work with our production partner to send a free replacement.

(This applies to damaged T-shirts as well.)

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3. Can I cancel or change my order?
Because orders are sent to production quickly, we can’t guarantee changes or cancellations.
If your order hasn’t shipped yet, contact us as soon as possible and we’ll do our best.

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4. How long will my order take to arrive?
Processing time: 2–4 business days
Estimated delivery:
• United States: 2–5 business days (FREE shipping)
• Canada: 10–30 business days ($4.50 USD flat rate)
Delays may occur during holidays, peak seasons, or customs clearance. You’ll receive a tracking link by email once your order ships.

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5. Do you ship internationally?
We currently only ship to the United States and Canada.
Shipping is free within the U.S. and a flat $4.50 fee applies to Canadian orders.

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6. Will I receive tracking info?
Yes — once your mug or T-shirt ships, you’ll get a tracking link via email.
If you don’t see it, check your spam or promotions folder just in case.

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7. I made a typo in my address. What happens now?
Please contact us immediately. If your order hasn’t shipped yet, we’ll try to correct it.
If it’s already in transit, we can’t guarantee an address change or refund.

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8. What are your mugs made of? Are they safe to use?
All Mug Senpai mugs are made from durable white ceramic with a glossy finish.
They’re BPA-free, lead-free, and safe for both microwaves and dishwashers.

Care instructions:
Dishwasher-safe, but for maximum design longevity, we recommend hand-washing.

Size guide:
• 11oz: Height 3.74″ × Diameter 3.15″
• 15oz: Height 4.61″ × Diameter 3.43″

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9. What about your T-shirts? What are they made of?
Our T-shirts are printed on premium Bella+Canvas 3001 unisex tees — soft, breathable, and emotionally dangerous (just like our mugs). They're made with 100% Airlume combed and ring-spun cotton, printed using DTG or DTF depending on the area (front, back, sleeves, or neck label). We currently offer sizes XS to 5XL — because feelings come in all shapes.

- Ribbed knit collar
- Shoulder taping for durability
- Dual side seams to hold shape
- Clean white base for most designs

Wash cold, tumble dry low, and don’t dry clean — your emotions can’t take it.

(And yes, they’re just as emotionally dangerous as the mugs.)

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10. Do you offer custom designs or bulk orders?
Not at this time — but we’re working on it! If you’re interested in future collaborations or bulk orders, feel free to reach out.

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11. When can I expect a reply if I contact you?
We typically respond within 24–48 hours on business days.

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12. What sizes do your T-shirts come in? Will they fit me?
We print on Bella+Canvas 3001 tees — known for their soft feel and modern fit.
They come in sizes XS–5XL, and are true to unisex U.S. sizing.

For the best fit:

- If you’re between sizes, size up for a relaxed feel

- Check your favorite tee’s tag for a comparison (most people find it similar)

- Most buyers find these not too baggy, not too tight — just right

Size Chart (in inches):

We primarily print on white shirts, so the design shines.
If you’re unsure, feel free to message us — we’re happy to help.

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Still need help?
You can reach out anytime:
✉️ info@mugsenpai.com
🕓 Mon–Fri: 10:00 – 18:00 EST
We’re here for you.