Feature:1. Heat preservation and cold preservation, liner electrolysis, vacuum insulation and heat preservation principle, vacuum insulation for more than 12 hours.2. Ergonomically designed handle, comfortable to hold and not easy to slide off.3. The cup body is made of double layer stainless steel, vacuum isolation, reduce direct contact with the outside world, effectively reduce the heat loss.4. Easy to clean, cup inner and outside is smooth surface, easy to wash, rinse with water.5. Beautiful and stylish, cups are the perfect gift for yourself and others.Specification:Condition: 100% Brand NewItem Type: Coffee MugMaterial: Stainless Steel +PPColor: BlackSize: Approx.12x9cm/4.7x3.5inWeight: Approx.308g/10.9ozCapacity: 350ML Package List:1 x Coffee MugNote:1. Please allow 1-2cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.