Starbucks Holiday 2025 Heat-Resistant Glass Mug Medal 355ml New With Box Medal Mug with a Knit Motif The body of the glass mug features an embossed knit pattern, creating a warm and cozy feel. It's heat-resistant, so you can use it for both hot and cold beverages. The transparency allows you to see the color of your drink, making it perfect for holiday season drinks.