Product description Cup material: stainless steel Lid material: AS Color: light blue black Capacity: 12 ounces for everyday wear Size: 11.5 * 9 cm Package Contents: 1 * 12 oz egg cup 1. High-quality craftsmanship: The coffee cup is vacuum-insulated in two layers, so that your favorite drink keeps hot and cold for several hours. A thin layer of copper is applied to the outside of the inner wall of the vacuum seal area, which is not easy to rust. 2. Excellent materials: Durable quality, rustproof, sweatproof, easy to wash and unbreakable. The coffee cup is made of high quality stainless steel in food quality and is permanently coated. Silicone ring, copper coating for heat dissipation. Double layer vacuum to lick BPA free. 3. Unique design: The coffee cup transparent plastic cover is equipped with a slider into which you can easily insert a small mixer or straw. The bottom of the cup also has a non-slip mat. 4. Nice gifts: It can hold 12 ounces of coffee, wine, tea, cocktails, champagne, beer, etc. This travel mug made of stainless steel is light and portable and can easily cope with outdoor adventures. And it's a perfect gift for anyone who doesn't want to use plastic cups. 5. Stylish designs: Designed specifically for you to enjoy your wine and coffee. Curved body for easy holding. Advanced technology coated, exquisite for at home, at parties, outdoors and in the office. This elegantly designed vacuum wine mug with lid is a perfect gift for your family, your friends and yourself.