Lunar Phases 20 oz Mega Mug
Wax poetic while your sleepiness wanes. Get fueled up to watch that lunar eclipse, or sip your evening chamomile while gazing at the crescent moon. Mega mugs are for days when a regular-sized cup of coffee just isn't going to cut it.




Volume | 20 oz |
Care | Dishwasher & Microwave Safe |
Origin | Made internationally |
Material | Ceramic |
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USA
Flat Rate $9.95
Orders $75+ ship for free
Expedited service available
International
Shipping is available to most countries. See details at checkout.
If you're shipping to Europe, please check out our EU website for lower shipping rates and quicker delivery times.
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Frequently Asked Questions
Peer Reviews
- Reviews
- Questions
Great cup!
I love the size , the handle and the sturdy
Lunar Phases 20 oz Mega Mug
my brother loved this for his collection of space-themed mugs. thanks so much for packing it so well so that it wouldn't break in transit!
Lunar Phases 20 oz Mega Mug
The photographs accurately capture this large and well made mug - good communication and prompt service. I highly recommend this shop and would order from it again!

Not my favourite
Too big and not the best logo quality. The only product I’d say skip
Cognitive Surplus
Hi Chrisiten, I'm sorry to hear that. We try to be direct with the size of the mugs, by listing the 20oz size, with the photos, etc. If there is a defect in the glaze or artwork please let me know and I would be happy to send you a free replacement. You can contact us directly through the form on our site or by emailing support@cognitive-surplus.com. Please be sure to attach a picture of the issue, and include your current shipping address. All the best, Karl Cognitive Surplus
Amazing company, products, and customer support
I got this mug for my wife at a local grocery store, and she loved it. However, after only a couple of weeks, the handle started to crack and separate - we're not sure why... we don't think we mishandled it, but it's possible it got damaged under other dishes in the sink or in the dishwasher. Regardless, we contacted Cognitive Surplus and let them know what happened, and they immediately sent out a replacement to us free of charge. We will forever be fans of this company from now on!