One bottle. All seasons. Whatever the weather, the 580 ml Dopper Insulated Silver is the perfect sidekick to help you drink from the (instant hot water) tap. Thanks to its scratch-resistant stainless steel body. This insulated bottle will keep your water, tea or coffee hot for 9 hours or cold for 24. And it keeps you saving our oceans. All. Year. Long. Sustainability The Dopper Insulated is manufactured responsibly in China according to the BSCI Code of Conduct.  By using a Dopper Bottle, you'll stop the sale of 104 single-use packaged water bottles every year. Thanks to our partnership with GoodShipping, it’s transported using biofuels only.