Vacuum construction made of two-layer high-alloy steel grade 304 Transparent lid with silicone seal Lid made of high quality plastic, BPA-free AC body - metal Body coating - powder spraying Convenient and reliable opening system. To take a sip, simply slide the lid off with one finger. Silicone inserts provide additional tightness and prevent leaks. However, we recommend that you wear the mug upright and do not turn it over, as the product is not 100% leakproof. The Viva mug is ideal for motorists - fits in most cup holders. Also suitable for use in all coffee machines and vending machines. With our mug you have more no paper cup needed Stylish and elegant body, the mug is comfortable to hold in hand. Keeps drinks hot for at least 6 hours. Keeps drinks cold for at least 12 hours. To better preserve the temperature of drinks, we recommend filling the product with hot water before use (before using with hot drinks) or cold water (before use with chilled drinks) Changing the temperature of the drink inside a tightly closed thermo mug Viva: At an ambient temperature of +25 ° С initial temperature - 95 ° С after 4 hours - 52 ° С after 6 hours - 43 ° С packing: 240g Weight without packing: 204g Dimensions in packing: 90х115х90 mm Dimensions without packing: 87х1 10x87mm The product is not 100% sealed. It is not recommended to put the product in bags or backpacks. Wear the mug upright, we recommend hand-washing the mug. Harsh detergents used in dishwashers can damage paintwork.