Enjoy your favorite beverages on the go with our Portable Stainless Steel Coffee Mug! **351ml Capacity:** This portable mug boasts a generous 351ml capacity, offering ample space for your favorite hot or cold drinks. Designed with a sleek body, it's perfectly sized for a substantial amount of liquid. **Dual Drinking Methods:** Enjoy your coffee in two convenient ways: open the top lid for direct sipping, or drink without opening the lid. **Premium Material:** Crafted with a seamless stainless steel liner, this travel coffee mug is durable and leak-proof from any angle, ensuring no spills. **Keeps Hot & Cold for 6 Hours:** The insulated coffee mug is ideal for hot or cold beverages, including milk, soup, cola, tea, water, coffee, and latte, maintaining their temperature for up to 6 hours. **Versatile Use:** Take this portable mug to the gym, pool, or wherever your day takes you. Its modern design also makes it perfect for use at home or in the office, complementing both outdoor activities and indoor settings. **Specification:** **Material:** Stainless Steel Ceramic **Capacity:** 351ml **Size:** 7.65cm x 7.65cm x 14cm / 3.01inch x 3.01inch x 5.51inch **Package Includes:** 1 Coffee Mug **Note:** When pouring boiling water, high steam pressure may build up. Do not flip the button at this time to avoid splashing. To open the lid, rotate and unscrew it first to release the pressure. When not in use, please secure the lock to prevent burns from the pop-up lid.