Feature:1. Innovative Design: Portable french press filter coffee maker, this design allows you to keep your coffee hot or cold wherever you go, ensuring you can enjoy your favorite coffee on the journey2. Convenient to Use: With an easy brewing process, only takes 3 minutes, this press filter coffee mug enables you to enjoy your favorite coffee on the journey, without any hassle, has a capacity of 320ml3. 4 Layer Filter Mesh: Equipped with four layer fine filter mesh, this insulated coffee mug completely separates coffee grounds from water, ensuring the cleanliness and clarity of coffee without sediment4. Taste Preservation: This press filter coffee cup is designed to prevent over extraction, even after a few hours, your coffee will still taste great, allowing you to enjoy a tasty cup of coffee at any time5. 304 Stainless Steel Liner: The double layer 304 stainless steel inner liner can keep your coffee hot or cold for over 8 hours, with scalding proof function to care your hands, allowing you to enjoy coffee safelySpecification:Item Type: Insulated Coffee MugProduct Capacity: 320mlHeat Preservation: 8 HoursCold Preservation: 12 HoursMaterial: ABS, Stainless SteelWeight: Approx. 433g / 15.3oz.Package List:1 x Coffee Mug