Heavy-duty vacuum insulated flasks:
* **Double-Wall Vacuum Insulation:** Designed with stainless steel thermal insulation to keep beverages piping hot or ice-cold for long hours.
* **2-in-1 Lid & Drinking Cup:** The screw-on lid doubles as a handy drinking cup equipped with its own small handle for easy sipping.
* **Ergonomic Side Handle:** Features a sturdy, wide side handle (with vibrant accent grip on selected colors) for a secure hold and smooth pouring.
* **Detachable Shoulder Strap:** Includes an adjustable nylon strap attached via durable metal rings for convenient, hands-free carrying on the go.
* **High Capacity & Rugged Build:** High-volume capacity and robust construction make it ideal for travel, picnics, sports, camping, or long workdays.