Material: Food grade stainless steel+food grade silicone, ,Capacity: ,40oz, ,Size: ,10.8x3.85in, ,Insulation time: Insulation time: 8 hours , Cold holding time: 10 hours , ,Feature, 1.This water cup is perfect for commuting to work, going to the gym, or just relaxing at home., 2. This cup has a convenient handle on the side for easy carrying and comfortable grip., 3. The stainless steel structure ensures durability and thermal insulation, allowing your beverage to stay at the desired temperature for a longer period of time., 4. Prevent accidental leaks, 5. This handle water cup is made of food grade stainless steel and silicone, which is safe, ,【 Precautions 】, 1. When adding boiling water to the cup, it should not be too full to prevent overflow and scalding., 2. Avoid direct heating or placing the product in a high temperature area. It is strictly prohibited to place the product in an open flame, microwave, induction cooker, or dishwasher for heating., 3. Do not add liquids that are prone to high pressure, such as dry ice or carbonated drinks, to the vacuum cup; Do not add liquids containing alkaline or acidic components such as soy sauce or soup to prevent corrosion of the cup body., 4. Please use neutral detergent and warm water for cleaning, and do not use alkaline bleach, chemical cloths, or other cleaning agents.