Essential products USA via Amazon has
2-Count 13.5-Oz JoyJolt Aroma Insulated Double Wall Coffee Glasses for $19.95 - $6 when you clip the coupon on the product page =
$13.95.
Shipping is free w/ Prime or on $35+ orders.
Thanks to Community Member
gabe23111 for finding this deal.
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Key Features:- Set of 2 handmade, double-wall coffee mugs, each mug boasting a unique curvature that holds 13.5 ounces. JoyJolt's unique double walled glasses are designed to suspends drinks within an inner wall for an engaging optical effect
- Made of heat and condensation-resistant borosilicate glass, which is stronger and more durable than common glass that gives a smooth finish and a crystal clear look. Keeps your liquid hot while keeping your hands cool.
- Ships in an elegant colored printed box that is perfect for gift giving.
- Top quality glass Coffee mug made of lead-free high quality borosilicate-glass, Safe for dishwasher and microwave use; not for use with metal utensils
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Avg is closer to 20, the current sale price comparatively to that is an okay deal if you really need them.
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Shows microwave safe in the description for me? Same with their website and target listings.
I have changed to double wall glasses over the last decade (so i only have double wall glasses, about 20 of them from various brands).
if you put them in the microwave, and heat the heck out of it. it can explode. but we are talking about 12 minutes continues microwave on empty cup with no pressure equalizer.
the issue is that if the air between the glass get heat up too much, it will expand, and to a point, cause an explosion. brands like Bodum comes with an ugly piece of robber that help equalize the pressure (but can also suck in the moisture if you leave in the dishwasher and fog up the glass)
It's a shame if these aren't microwave safe. I reheat my coffee a lot.
Are these double wall glass construction cups always unsafe for microwave, or is it just this brand cheaping out?
In theory, if a bunch of factors line up perfectly (badly), you could have a small area of liquid in a glass, which is massively hotter than the liquid around it, which could create a risk of cracking the glass... but if you're worried about that, I'd say just make sure you don't microwave when it's nearly empty AND place it the microwave slightly off center so, the glass position shifts as the turntable rotates.
I have changed to double wall glasses over the last decade (so i only have double wall glasses, about 20 of them from various brands).
if you put them in the microwave, and heat the heck out of it. it can explode. but we are talking about 12 minutes continues microwave on empty cup with no pressure equalizer.
the issue is that if the air between the glass get heat up too much, it will expand, and to a point, cause an explosion. brands like Bodum comes with an ugly piece of robber that help equalize the pressure (but can also suck in the moisture if you leave in the dishwasher and fog up the glass)
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Yes, and they were Bodum (Swiss company), 16oz capacity (18oz to the brim), very high quality, stronger than they look, and dishwasher and microwave safe. They have an innovative silicon plug on the bottom that allows them to "vent" rather than break from pressure when they get hot.
Obviously they don't perform like vacuum insulated stainless steel but they keep drinks hot and cold significantly longer than any single-wall mug, and unlike stainless steel, you can microwave them.
I'd hold out for Costco to bring back the Bodum glasses. I bought 8 of them in 2022, use them daily (microwave and dishwasher), and haven't broken a single one. (Edit: 3 days after posting this, I accidentally knocked one off a bar-height table onto a wood floor and it obviously shattered. 🤭)
The purpose is to keep your coffee on your desk quite a bit warmer during the time you drink it, and it works great at that. It is not for transporting a kidney to a hospital
2 hour dishwasher cycles are hard on any nice glass, rattling around, heating, chemicals
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Avg is closer to 20, the current sale price comparatively to that is an okay deal if you really need them.