Promotional Recycled steel flask (1 Litre) Double-walled, vacuum-insulated thermo bottle made from recycled stainless steel. Extremely durable and unbreakable. The vacuum between the walls insulates the contents and keeps drinks hot or cold for a longer period of time. With screw cap/drinking cup and handy push-pour system. Leak proof. Not dishwasher-safe. RCS-certified. Total recycled material: 73% Capacity 1,000 ml. Stainless steel can be recycled many times whilst retaining the quality of the material. By using recycled stainless steel, fewer new raw materials are needed. This means less energy consumption and less use of water.