Emma Bridgewater Mug - Black Toast and Jam Sale! from $39.00 Qty. Add to Cart What could be a nicer present than a jar of home-made jam? A jar of AND a Black Toast Toast & Jam 1/2 Pint Mug. Volume: 1/2pt or 8 ozMaterial: Earthenware. Microwave safe, dishwasher safe, oven safe, freezer safe.