This borosilicate glass mug is made with Northstar’s “Blue Slyme” glass and silver fuming. This cup changes colours depending on what colour liquid is in it! It appears golden amber in the sunlight or filled with clear liquid, but blueish-green filled with dark liquid or against a dark background.
9 cm tall; holds 350 ml
This borosilicate glass mug is made with Northstar’s “Blue Slyme” glass and silver fuming. This cup changes colours depending on what colour liquid is in it! It appears golden amber in the sunlight or filled with clear liquid, but blueish-green filled with dark liquid or against a dark background.
9 cm tall; holds 350 ml
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