Product Parameters:
Barrel-design beverage mug with a rustic exterior and a stainless steel interior. The surface is designed to resemble a classic wooden beer barrel with dark metal-look bands and a visible \"BEER\" inscription on the front. Size: 9.4 x 16 x 12.5 cm. Capacity information includes 350 ml in the title and product details, while the description also mentions 450 ml. Material: stainless steel inner liner.

Core Features:
The barrel-inspired design adds a distinct rustic look to the mug collection. The stainless steel inner liner facilitates cleaning and helps maintain the temperature of hot or cold beverages longer. The handle follows the barrel theme and is shaped for a steady and comfortable grip during daily use.

Suitable Scenarios:
Suitable for serving coffee, tea, beer, and other hot or cold beverages. Works well for daily use at home, and also fits decorative settings such as home bars, kitchens, or rustic interior spaces. It can also appeal to collectors of distinctive drinkware or those who appreciate vintage-inspired table accessories.

Product Summary:
This mug combines a rustic barrel-design appearance with a stainless steel interior and an easy-to-handle grip. It is designed for both practical beverage use and decorative appeal, making it a characterful choice for a range of drinks and display environments.