100% brand new and high quality Material: Stainless Steel Color: Golden/Army Green/Copper Function: Keep hot and keep cold Cup Capacity: 350ML 500ML Keeps your hot or cold beverages for up to 6-12 hours Insulation aging: room temperature 25 + 2 , filled with 98 hot water, 6 hours: over 72 ; 12 hours: 50 above Durable stainless-steel interior and exterior keep bottle cool to touch with hot liquids and sweat proof with cold liquids With an ample 350ml capacity, the bottle offers plenty of sustenance on the travel Size: 23.5cm*6.8cm/9.25*2.68" (Height*Diameter) Method of use 1. Wash clean the cup body with neutral detergent before use 2. When used to put some hot water (ice), preheating or pre-cooling, thermal insulation effect will be better. 3. Tighten the cork and cover clockwise, in case of leakage. 4. Tighten the cork and cover clockwise when drinking, press the cork button to pour water. 5. The cork self-locking function, directly close the cover automatically shut down. 6. Unscrew the cork we can put into the large pieces of ice directly for storage. Cleaning method 1. Shall be cleaned after each use. 2. please with moderate neutral detergent to clean, do not use bleach or chlorine cleaner, so as to avoid damage to the product., Matters needing attention 1. Please do not put soda or dry ice, in order to avoid beverage or cork. 2. Do not put into milk in order to avoid corruption. 3. Please avoid collision and fall, so as not to break the bottle, affect the heat preservation performance. 4. Please do not put it near the heat source, lest affect function. Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1Pc xThermos Cup