Ratio
Hearth Coffee Cup (Set of 2)
Best insulated glassware for those who enjoy slow, hot morning rituals.
Elevate your daily coffee or tea ritual with the Hearth 8oz Double Wall Glass Cup, sold as a set of two. Crafted from durable borosilicate glass, these cups feature double-wall insulation designed to keep your beverage warmer for longer while ensuring the exterior remains cool to the touch for comfortable handling. They are shatter-resistant, scratch-resistant, and safe for use in the microwave, making them a reliable and beloved mainstay for your home. This set is available in Amber, Clear, and Smoke finishes.
$21.00
Owner Satisfaction
4.5
/ 5
Category Rank
1878
/ 3273
#1878 in Coffee & Tea Cups
Price vs Category Average
-59%
Below average
Capacity
8
/ oz
Who it's for
- Design-conscious coffee drinkers seeking a refined aesthetic
- Slow sippers who prefer their coffee hot for longer
- Comfort-focused users who value ergonomic, balanced drinkware
Who should skip it
- Budget-minded shoppers looking for affordable everyday mugs
- Clumsy handlers needing durable, chip-resistant kitchenware
- Frequent hosts requiring larger sets for entertaining guests
Performance breakdown
Thermal Retention
Double-wall insulation keeps your morning brew hot significantly longer than ceramic.
Handling Comfort
The exterior stays cool, making the handle-less design effortless to hold.
Material Durability
Borosilicate glass offers impressive resistance to daily scratches and minor impacts.
Cleaning Convenience
Hand-washing is required, which may be a drawback for busy households.
Versatility
Microwave compatibility adds practical utility for reheating coffee or tea.
Aesthetic Appeal
The sleek, floating liquid effect elevates any coffee ritual instantly.
Key Specs
Capacity
8 oz
Material
Borosilicate Glass
Quantity
Set of 2 cups
Microwave Safe
Yes
Construction
Double wall insulated
Dishwasher Safe
No
Insulated
Yes
Handle
No
Features
- Maintains beverage temperature
- Cool to the touch exterior
- Shatter and scratch resistant
- Durable borosilicate glass
- Microwave safe
- Elegant double wall design
- Set of two cups
What customers say
Customers overwhelmingly praise the Ratio Hearth Coffee Cups for their exceptional design and comfortable feel. Reviewers consistently highlight the cups' aesthetic appeal, noting they bring a cozy, warm atmosphere to the coffee ritual. The quality of the material is frequently commended for its durability and lasting pristine condition after use. Many find the capacity ideal for various drinks. Despite the price, the consensus is that these cups offer significant value through superior design and an elevated drinking experience. They are celebrated for perfectly blending sophisticated style with everyday functionality, making them a highly recommended set.
Know before you buy
Yes, the Hearth cups are made from durable borosilicate glass and are fully microwave safe, making them ideal for reheating your coffee or tea.
The double-wall insulation is designed to retain heat significantly longer than a standard single-wall ceramic mug, while also keeping the exterior cool enough to hold comfortably.
No, these cups are not dishwasher safe. To maintain the integrity of the glass and the double-wall seal, we recommend hand washing them with mild soap.
The double-wall construction ensures the outside of the glass remains cool to the touch, allowing you to hold the cup securely by the body without needing a handle.
Borosilicate glass is known for its high resistance to thermal shock, and these cups are specifically engineered to be shatter-resistant and scratch-resistant for everyday use.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$21