Le Creuset Stoneware Grand Mug, 400ml, Volcanic

Le Creuset Stoneware Grand Mug, 400ml, Volcanic is down to £13.99 at Amazon. It has typically been selling for around £21.52 over recent months, so this works out at roughly 35% below its usual price.
Its currently ranked 692 in Home & Kitchen on Amazon and rated 4.6 out of 5 from 8,576 customer ratings, so plenty of buyers have already tried it.
Key features:
400ml stoneware mug, ideal for cappuccino
Durable chip-resistant enamel with lasting heat retention, withstands temperatures up to 260C
10-year guarantee
Microwave, oven, freezer and dishwasher safe
Dimensions: L11.4 x W15.1 x H8.2 cm, colour Volcanic