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Product Description
Keep your beverages hotter for longer without springing for an ugly mug or thermos with these double-wall cups from JoyJolt. Available in three sizes, in sets of two or four, the cups feature a double-wall insulated construction of borosilicate glass Read More
These were nice additions to the glassware I have been using to entertain guests. I still worry though about fragility, but hey haven't broken on me yet.
Used these for both hot and cold drinks without any issue. The double walled design is both attractive and functional as it prevents you from getting burned if you decide to fill it with hot coffee or tea.
Great design, shockingly durable, excellent insulation
They feel really light and fragile, but mine have put up with a lot for at least a year. I’d suggest not getting the 16 oz ones because they’re a little harder to clean, and the talk ones are a little unstable, but these (especially the 12 oz mugs) are my go-to cups for everything hot and cold.
The excellent packaging, however, i was a little disappointed, as the material is not completely translucent or transparent, on the contrary, it gives the impression of a medium quality plastic. On the other hand, the double wall performs its function and can be used without problems.
I bought many products at Massdrop and had high expectations that were not met. 😢
Poor-quality item with no redeeming qualities.
I've been through 20-30 drops on this site, and this is the most disappointed I've been with a buy.
First off, there are straight-up holes in the bottom; these things are NOT vacuum sealed, and shit can totally get into the hole and nasty up the inside of the glass.
Second, the glass is just precariously thin. I see another user here has had their glass break after 2 weeks; that just sucks.
Third, the glass seems a bit burned on the bottom near the hole (it literally has a yellowish/brown darkened tint). I really think these things are just cheaply made/manufactured.
TL;DR: Not worth your money.
Edit: I'm bumping the review up a star because customer support is acting to rectify my receipt of a seemingly defective product. I'll bump it up another if/when I receive a non-defective replacement.
mi3kWe are very sorry to hear that you were not completely satisfied with the purchase. We are sure that this must have been a defective glass; please reach out to our customer service and they will do their best to assist you. The contact number is 888-569-5680 or email info@joyjolt.com and we will make sure to do their best to help you with the issue!