Can you use it with a cup warmer?

Yes. I use it every day at work. It’s actually better if you do have a cup warmer. It’s made of thin glass and the coffee gets cold faster than with a regular mug. So a cup warmer will work. Be careful when washing it not to bump it to anything. I’m always concerned I might damage it. Other than that... it’s all good.

can it take boiling water?

Yes! The Cupa Joe is made of borosilicate glass, a type of lass far superior to regular glass, which can withstand much higher temperatures (including boiling water) and far less susceptible to fractures in general. Fun fact: Due to its durability and resistance to chemical changes, borosilicate glass has traditionally been used in chemistry labs and industrial settings.

The material says glass but it looks like there is a metallic piece towards the bottom of the mug so is this microwave safe?

It is metal at the base of the glass. The coffee cup resembles the coffee carfe exactly. I would not place in microwave because of the metal, instead, heat the water in a microwave safe cup and pour the water in your Funware coffee pot mug...ok?

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Cupa Joe Coffee Mug – 20oz Borosilicate Glass Diner Pot Mug with Spill-Proof Lid – Funny Novelty Gift for Coffee Lovers, Dads, Office, Travel & More

Product ID: 55142136

Details

Brand
Funwares
Material
Glass
Color
Clear
Capacity
20 Fluid
Special Feature
Transparent

☕20oz generous capacity

🛡️spill-proof silicone lid

🔥❄️borosilicate glass for hot & cold

¥11934

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

☕ Sip Bold, Spill Never – Your Coffee’s New Best Friend!

BREW BIG SIP BOLD - A full 20oz capacity means fewer refills and more productivity power.
DURABILITY MEETS STYLE - Ultra-durable, BPA-free borosilicate glass handles both piping hot coffee and refreshing cold brews.
FUEL YOUR DAY NO SPILLS - Secure silicone lid ensures your coffee stays put during commutes or busy mornings.
VINTAGE VIBES MODERN EDGE - Nostalgic diner-style glass pot design that stands out on any desk or kitchen counter.
THE ULTIMATE GIFT THAT WORKS - A viral social media sensation and perfect gag gift that coffee lovers and dads will actually use daily.

The Cupa Joe Coffee Mug is a 20oz borosilicate glass mug designed like a vintage diner coffee pot, featuring a spill-proof silicone lid for on-the-go convenience. Durable and versatile, it safely holds hot or cold beverages, fits most car cup holders, and is a popular, reusable gift choice for coffee enthusiasts and professionals alike.

Specifications

ASIN	B076BYM1BQ
Age Range Description	Adult
Best Sellers Rank	#36,487 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #221 in Novelty Coffee Mugs
Brand	Funwares
Brand Name	Funwares
Capacity	20 fluid ounces
Color	Cupa Joe
Customer Reviews	4.5 out of 5 stars 2,121 Reviews
Finish Types	Glossy
Global Trade Identification Number	00870588001016
Included Components	Cupa Joe
Item Dimensions W x H	4"W x 4"H
Item Type Name	Coffee Cup Mug
Item Weight	5.6 ounces
Manufacturer	Funwares
Manufacturer Part Number	UTU3BR0201
Material	Borosilicate Glass
Material Features	Microwave Safe
Material Type	Borosilicate Glass
Material Type Free	BPA Free
Model Number	UTU3BR0201
Number of Items	1
Occasion	Any
Other Special Features of the Product	Transparent
Pattern	Coffee Pot
Product Care Instructions	Hand Wash Only
Product Style	Cupa Joe
Recommended Uses For Product	Home, Travel
Reusability	Reusable
Shape	Coffee Pot
Size	20 Ounces
Special Feature	Transparent
Specific Uses For Product	Hot Drinks
Style	Cupa Joe
UPC	870588001016
Unit Count	1 Count

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¥11934

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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