OCTERR Vacuum Insulated Stainless Steel Tumbler with Lid, Portable, Insulated, for Coffee, Convenience Store Use, and Direct Drip Coffee. A great gift

Lightweight and Practical Size: Width: 7cm, Height: 13.4cm, Weight: 208g, Volume: 380ml, Color: Black. The large opening allows for easy cleaning. It fits most car cup holders, making hydration a breeze. (Please check your cup holder size before purchasing.) 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 doesn't have a handle, it feels more delicate than a regular coffee cup, so a non-slip surface is recommended. Heat Retention: Keeps drinks hot or 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 burns. Versatile Use: The cup can be stored in a drink holder, making it perfect for work, school, travel, and more. What's more, the cup is not only great for personal use, but also makes a wonderful gift. [Easy-to-Grip Body Shape]: The modern, solid finish makes it a great choice for the office or on the go. The moderately tapered design allows for a firm grip and one-handed opening and closing. Easy to use every day, it makes a great gift or personal item.