Cooling retaining butter box e.g. for keeping butter cool, has double-walled structure with suitable cooling agent provided in gap for both plate and cover, and does not require additional energy input

摘要

The cooling retaining butter box surrounds a piece of butter for keeping it cool, correct color, form and taste. The box has a double-walled structure with a suitable cooling agent provided in a gap for both a plate and the cover. The box does not require an additional energy input, such as e.g. power connection or batteries.