1、Made of stainless steel, with great corrosion-resistance and durability, suitable for home, office or travel use. 2、Adopts vacuum technology, supports heat and cold preservation. It can be used all year round. 3、Stable anti-skid silicone cup bottom, durable wear, good anti-slip effect and not easy to dump or slide. 4、Threaded cup mouth, good sealing effect, and will not leak when shaken or laid horizontally. 5、Drink comfortably from any side thanks to the round smooth bottle mouth, bringing nice using experience. Overview: This coffee cup is made of stainless steel, corrosion-resistant, very practical for use. Suitable for home, office, sports, travel use and more. Features: Made of stainless steel, with great corrosion-resistance and durability, suitable for home, office or travel use. Adopts vacuum technology, supports heat and cold preservation. It can be used all year round. Stable anti-skid silicone cup bottom, durable wear, good anti-slip effect and not easy to dump or slide. Threaded cup mouth, good sealing effect, and will not leak when shaken or laid horizontally. Drink comfortably from any side thanks to the round smooth bottle mouth, bringing nice using experience. Specifications: Material: 304 & 201 stainless steel Color Optional: Black, White, Navy blue, Dark green, Pink Capacity Optional: 380ml; 510ml Style Optional: Ordinary version, Smart version (Built-in cell battery) Item Size: 14.8*6.9cm (380ml); 16.8*6.9cm (510ml) Item Weight: 230g (380ml);262g (510ml) Note: 1.Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. 2.Please allow a little measuring deviation due to manual measurement. Package List: 1 * Coffee Cup 1 * Coffee Cup