Made by Sonifer. It is designed to keep drinks hot or cold for extended periods, thanks to its double-wall insulation.
Here's a summary of the mug's features based on the search results:
Insulation: Double-wall stainless steel with vacuum insulation to maintain beverage temperatures.
Leak-Proof: Equipped with a silicone ring for a tight, leak-proof seal.
Material: Stainless steel interior and a matte finish exterior.
Capacity: Typically holds between 500-600ml.
Design: Often features a flip-top lid for easy opening.
Brand: Sonifer, a company with over 20 years of experience in electric home appliances.