An ocean saving device with a luxurious appeal. The Dopper Glass Insulated 450 ml is ready to make a statement against plastic pollution not just on your desk, but also to the world. With a body made from durable, stain and scratch resistant borosilicate glass and a built in cup to drink from, you can raise your Glass to crystal clear waters and plastic free oceans. In style. The double wall space shields the outside of the glass bottle from the hot or cold water inside, keeping your drink at your preferred temperature for longer. A unique three part design means this glass thermos is easy to fill and easy to clean by hand or in the dishwasher (at max 65 degrees). The three part design means its easy to fill and easy to clean by hand or in the dishwasher (max 65 degrees)