Inhouse product
Synopsis:
Freezer Safe: If you want to chill down your beverage, you can also use this mug in the freezer.
Easy to Use: To use the cup, just twist the top membrane over and observe how quickly a seal forms over the top of the mug.
Keeps It Hot or Cold: Each double-walled mug has a capacity of up to 300 milliliters! Drinks can be kept chilled for up to six hours and hot for two.
Lidless Twist Top Design: This unique mug has no lid thanks to a novel design and a silicone membrane. Instead, all you have to do is twist the silicone membrane over the mug's top and observe how the seal forms.
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