Specifications: Double layer vacuum insulation, made of stainless steel material, durable and safe. Rust-resistant, does not absorb odors or bacteria, maintains the taste of the drink. The coffee cup has a safe lid and an air-tight silicone seal, and a sealed rubber gasket around the lid can be tightly packed into the cup to reduce spillage. The surface of the lid has a straw hole design that can be used for drinking or using a straw to reduce splashing. Mug is very suitable for storing any beverage, you can pour your favorite coffee, champagne, wine, juice, soda, beer and other drinks. Ideal for leisure and home, office, road trip, camping and travel, hiking, active sports, picnic. Item Name: Coffee Mug with Lid Material: Stainless Steel Capacity: 380/510ml (Optional) Features: Heat Preservation, with Lid, Large Capacity 380ml Size: 14.5cm x 9cm/5.71" x 3.54" (Approx.) 510ml Size: 16.8cm x 9cm/6.61" x 3.54" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Coffee Mug with Lid (Empty)