Keep your brew warmer (or your cold drink cooler) for longer with the insulated RidgeMonkey ThermoMug. It maintains temperature for up to an hour. Say goodbye to broken ceramic thanks to the robust polypropylene construction, while the squared shape lends itself perfectly to easy storage within most luggage. Features include double-walled insulation, a drink-through lid, and a large comfortable handle. The mug is made from robust polypropylene construction and has a squared shape for easy storage. Product code: RM114 (grey). Approximate Capacity: 400ml. Approximate Dimensions: H130mm x W120mm x D90mm (including handle).