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The Isolator Cup has fins that reduce the heat on the outside and keep your hands cool. You don't have to burn your hands on a hot drink. The design is inspired by the shape of an engine's heat sink. Due to the shape of the narrow fins, less heat is dissipated to the outside.
The porcelain mugs are handmade in the Netherlands and have a food-safe, non-toxic glaze that is dishwasher and microwave safe. Available colors are blue, green and coral.