• maximum insulation for hot or cold protection with vacuum insulation technology. The inner and outer layers are made of durable stainless steel. It has a capacity to keep warm for 24 hours and cold for 24 hours. The insulated stainless steel cover can also be used as a cup. Thanks to the channels on the inner cover, you can reach your drink by turning it one turn without opening the cover completely. Capacity : 2 Liters