The Stay Cozy Holiday Mixer Pack from Ontario's Black Fly Beverages is perfect for winter entertaining. This pack of twelve 473mL cans features the exclusive Spiced Rum Mulled Cider alongside two of Black Fly's popular mixed drink offerings, Vodka Cranberry and Tequila Margarita. 'Stay Cozy' this holiday with Black Fly. The Stay Cozy Holiday Mixer Pack from Ontario's Black Fly Beverages is perfect for winter entertaining. This pack of twelve 473mL cans features the exclusive Spiced Rum Mulled Cider alongside two of Black Fly's popular mixed drink offerings, Vodka Cranberry and Tequila Margarita. 'Stay Cozy' this holiday with Black Fly. 12 x 473 mL can