1. Double-layer vacuum insulation: it is made of double-layer technology, and there is no air between the inner wall and the outer shell of the travel cup. Our vacuum insulated travel cup can maximize the heat transfer of each block, and the sealed stainless steel insulated cup ensures that the heat can be drunk for 4 hours, and there will be no condensation or overheating outside. Perfect for keeping your coffee hot or cold all day. 2. Waterproof and non-slip design: the travel coffee cup is equipped with a leak-proof cover with an airtight silicone gasket, which is convenient for drinking by opening the sheath hole and locking it to prevent accidental leakage. The top silicone sleeve design allows you to hold this insulated coffee cup with anti-slip function. The non-slip design at the bottom allows you to put it on the table without worrying about tipping it over. 3. Safety material: Double-wall vacuum stainless steel thermos cup, with 304 stainless steel inside and matte finish appearance to keep the beverage tasteless. It has been approved by FDA, does not contain BPA, is safe and healthy, and you can rest assured that you are drinking water or any other beverage. 4. Functional coffee cup: We designed an adjustable handle at the top of the cup, so you can take it with you. It is an absolutely portable travel cup for your travel. You can enjoy coffee, tea, wine and juice very well, which is very suitable for indoor and outdoor use. The beautifully shaped espresso coffee cup includes a narrow base, which is suitable for all standard car cup holders and is very suitable for coffee lovers. 5. Gift: Creating beautiful products is our passion. Our small coffee cup has a unique style and simple elegance. Beautiful stainless steel thermos coffee cup is carefully coated with matte powder, which is very suitable for business gifts and family gifts. On birthdays, anniversaries or Christmas and other important festivals, choose our isolation cup as a gift for a special person.