Made of borosilicate, a type of glass used by laboratories for its thermal shock resistance, these cold beverage tumblers can handle the chill from your frostiest refreshments. They get points for style too.
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Made of borosilicate, a type of glass used by laboratories for its thermal shock resistance, these cold beverage tumblers can handle the chill from your frostiest refreshments. They get points for style too.
I bought these primarily because they are made of Borosilicate Glass, a material that doesn’t try to kill you gradually by leaking something unwanted into your water/beverage. The added bonuses are: stainless steel straws (no microplastic), wooden lids,, and finally best price when on sale.
