The Ocean Bottle is the most sustainable, reusable bottle on the market. Every Ocean Bottle sold funds the collection equivalent to 1,000 plastic bottles. · 17 oz/500 ml capacity · Made from double wall vacuum-insulated stainless steel and recycled content · Vacuum insulation retains heat for 9+ hours and cold for 18+ hours · The anti-leak dual opening lid makes filling and cleaning a breeze · Easy to carry attached loop · Lid doubles as a drinking cup · 100% dishwasher safe.