【Material】 Capacity: 350ml Insulation effectiveness: more than 6 hours 55 degrees Bottle material: liner 201 stainless steel / 201 Caliber: 4.3cm Size: high 19.8 (bottle + full cap) × bottom diameter of 6.7cm Weight: 240g Origin: Made in China, Taiwan processing 【Instructions】 1. Before use the cup body with a neutral detergent to clean. 2. When using first add hot water (cold water), preheating or pre-cooling, insulation (cold) better. 3. Turn the stopper and lid clockwise to prevent leakage. 4. Drink when unscrew the lid counterclockwise, press the stopper button, you can pour water. 5. Cork self-locking function, directly cover the cover automatically shut down. 6. Unscrew the stopper can be directly into the large pieces of ice storage. 【cleaning method】 Please use water or neutral detergent with a soft brush to clean, do not use bleach or chlorine detergent. 【Precautions】 1. Do not drink carbonated drinks or dry ice, so as not to spill the beverage or stopper. 2. Please do not install milk or fresh drinks, so as not to exceed the best heat preservation / ice protection time caused by corruption. 3. Please avoid collision, so as not to break the bottle, affect the insulation performance. 4. Do not place beside the heat, so as not to affect the function.