Package included: 1 x thermos Cup Material: Stainless Steel Capacity: 800ml Insulation Effectiveness: ≥42°C Size:approx.25.5cm x9cm Features - Lightweight and portable design - Vacuum insulation for 24 hours, you deserve to have it - Large capacity, simple style, it is essential for outdoor activities in this summer - 24-hour long-term thermos (6H-86°C, 12H-70°C, 24H-60°C) 24-hour long-term cooling (6H-10°C, 12H-12°C, 24H-18°C) - The lid is dual-purpose, made of high-quality stainless steel, and the food is made of food grade PP. It is safe, hygienic and convenient. - 304 stainless steel inner tank, electrolytic grinding process, no odor, easy to clean large-caliber cup mouth. - Portable handle, sturdy and comfortable. Instructions for use 1. Before using the new product, it must be washed with boiling water (or a little detergent) several times for high temperature sterilization. 2. Before use, please preheat (or pre-cool) with boiling water (or cold water) for 5-10 minutes to make the insulation better. 3, the amount of water should be overfilled, so as not to tighten the lid, the boiling water overflows scald.. 4, please drink slowly when hot drinks, so as not to burn. 5. It is not advisable to hold carbonated drinks such as milk, cradle products for a long time. 6. After drinking, please tighten the lid to ensure clean and hygienic. 7. When cleaning, it should be cleaned with a soft cloth and a detergent diluted with warm water. Do not use alkaline bleaching metal melon cloth, chemical rags, etc. 8. The inside of the stainless steel cup may sometimes produce some red rust spots due to the influence of iron and other substances in the contents. It can be washed with warm water and diluted with vinegar for 30 minutes. 9, to prevent the occurrence of odor or stains, and can be used for long-term cleaning. After use, please clean it to dry thoroughly. Notice: Please allow 1-3cm error due to manual measurement Please understand that colors may exist chromatic aberration as the different placement of pictures.