Durable, reusable can with advanced hot & cold temperature retention, perfect for replacing single-use plastic bottles Double-wall, vacuum-insulated design with a copper lining for improved temperature control of cold/hot liquids Holds 16 ounces of cold or hot liquid for staying hydrated throughout your day Double-wall, vacuum-insulated design Built-in rubber coaster on the bottom prevents the tumbler from sliding (or making a sound) when placed on hard surfaces