OCTERR Vacuum Insulated Stainless Steel Mug with Lid, Perfect for Travel, Direct Drip Coffee, and Gifts (Grayish Blue, 380ml)

[Dimensions]: Width: 7cm, Height: 13.4cm, Weight: 208g, Volume: 380ml, Color: Black. The large-diameter design allows for easy washing. It fits perfectly in car drink holders, allowing for easy hydration. (Please check the holder size before use.) [Product Construction]: This product is made of food-grade S304 stainless steel for health and hygiene. Its airtight seal ensures leak-proof protection even when placed on its side in a bag. While it does not have a handle, its delicate texture is more delicate than a regular coffee cup, so a non-slip surface is recommended. [Heat Retention]: It retains heat and cold for a long time. Cold retention: 2 hours at temperatures below 8°C; Cold retention: 6 hours at temperatures above 38°C. The lid can be opened with one hand for convenient use. The small opening prevents fire. [Wide range of uses]: The cup can be stored in the drink holder and can be used when working, going to school, traveling, etc. Furthermore, the cup can be used by yourself or given as a great gift. [After-sales service]: If you have any problems or dissatisfaction with the product you purchased, please contact us. We provide customer service, so please feel free to contact us.