The Heritage Atrium Alt Mug features a natural and calming glaze that makes this item beautiful as well as versatile. Ideal for your morning cuppa, milky hot chocolate or as a quirky plant holder. Or surprise guests by serving small desserts for a chic look. Designed for modern living, the Alt Mug can be used in the microwave, freezer, oven and dishwasher. Also great for heating up soup or cooking chocolate mug cake. What is a Seconds Piece? During production, and as a result of our high-quality standards, we produce a quantity of Seconds pieces every week. During kiln firing, variations in temperature can occur which result in glazed pots appearing lighter or darker than the ideal colour standard or surface imperfections can arise. These imperfections are usually quite minor but can vary from piece to piece and range to range. They are purely cosmetic blemishes and in no way detract from the safety, strength or durability of the pieces concerned and all Seconds items are 100% safe to