Sometimes, it's hard to keep a beverage at your desired temperature for very long, but it doesn't have to be with this 20oz Marka copper insulated bottle. Being made from a durable stainless steel material with a copper layer, this double-walled bottle can keep your beverage cold for 48 hours or hot for 12 hours. It features a spill-resistant screw on lid, vacuum insulation, and a durable powder coating. This Marka insulated bottle is perfect for trade shows and conventions.