Is it borosilicate glass?

Yes, it is Borosilicate glass, can tolerant to repeated heating and cooling, it meets the industry-standard for chemistry use.

Is this mug sturdy and heavy enough for daily use? Or is it more a novelty mug for occasional use?

If say more novelty..BUT I've had a few of these for years. If you are careful with them they last just as long as any glassware. If you're a goon and a moron then it will break easily

How tall is this mug? I'm curious if it will fit under the espresso spouts of my machine.

Dimensions ( H x W ): 4.5" x 5.5"( including handle ).

What is the diameter of the opening?

I haven't measured them, but I can tell you they're definitely larger diameter than almost all of the rest of my mugs (which are 10-oz) vs. this one at 16 ounces. That isn't necessarily bad; depends on your preference. But bigger? Definitely.

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Caffeine Beaker Mug, Caffeine Molecule Mug - Chemistry Mug 16 oz Borosilicate Glass Coffee Mugs with Handle and Measuring for Coffee, Latte, Tea or Hot and Cold Beverage - Tea Coffee Mug

Caffeine Beaker Mug, Caffeine Molecule Mug - Chemistry Mug 16 oz Borosilicate Glass Coffee Mugs with Handle and Measuring for Coffee, Latte, Tea or Hot and Cold Beverage - Tea Coffee Mug

Product ID: 71589761

Details

Brand
Homazing
Capacity
16 fluid
Color
1
Material
Borosilicate
Special Feature
Microwave Safe

📏Dual metric & standard measuring scale

🔥Microwave-safe borosilicate glass

🧪16 oz precise lab-style capacity

$53.77

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Sold byAmazon EcuadorDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧬 Sip smart, work smarter — your daily dose of science and style!

ERGONOMIC COMFORT - Designed with a sturdy C-handle for a secure grip, blending lab aesthetics with everyday ease.
LAB GRADE PRECISION - Measure your brew like a pro with exact metric and standard scales—no guesswork, just perfect pours.
GENEROUS 16 OZ CAPACITY - Fuel your hustle with a large, single-fill mug that keeps you powered through back-to-back meetings.
THE ULTIMATE SCIENCE GIFT - Impress your fellow science buffs or colleagues with a sleek, conversation-starting mug that screams ‘next-level caffeine.’
DURABLE BOROSILICATE GLASS - Crafted from thick, heat-resistant glass that’s microwave-safe and built to last—science meets style.

The Caffeine Beaker Mug is a 16 oz borosilicate glass coffee mug designed with precise metric and standard measuring marks, mimicking a laboratory beaker. Microwave-safe and featuring an ergonomic handle, it’s perfect for hot or cold beverages. Ideal for science enthusiasts and professionals who appreciate functional design with a clever twist.

Specifications

ASIN	B07F46LJ2H
Age Range Description	Adult
Best Sellers Rank	#34,733 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #189 in Mugs
Brand Name	Homazing
Capacity	16 fluid ounces
Color	1
Customer Package Type	FFP
Customer Reviews	4.4 4.4 out of 5 stars (2,609)
Included Components	NO
Item Dimensions W x H	5.5"W x 4.5"H
Item Type Name	02000
Item Weight	6.4 ounces
Manufacturer	Alysontech
Manufacturer Part Number	DVK111
Material Features	Microwave Safe
Material Type	Borosilicate Glass
Material Type Free	Free of materials other than glass
Model Number	10002
Number of Items	1
Occasion	Anniversary, Birthday, Graduation
Other Special Features of the Product	Microwave Safe
Pattern	Solid
Product Care Instructions	Hand Wash Only
Product Style	Modern
Recommended Uses For Product	Home
Reusability	Reusable
Shape	Round with Handle
Size	16 Ounces
Specific Uses For Product	Cold Drinks, Hot Drinks
Theme	Science
UPC	787477986029
Unit Count	1 Count

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$53.77

Duties & taxes included

In stock

Sold byAmazon EcuadorDelivered 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 Ecuador.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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