Convenient 350ml double wall vacuum cup, featuring a non-slip base and durable powder coated finish. The Ocean Bottle Brew Flask is designed to deliver on an unbeatable drinking experience on the go, the 360 degree leak proof lid allows you to sip from any angle while keeping your drink hot for 6 hours. The lid is lockable and means you can keep your Brew in your bag with the assurance that it wont leak. With every purchase of the Ocean Bottle Brew Flask, you become a global change-maker. Each Ocean Bottle sale funds the collection of 11.4 kg of ocean-bound plastic, equivalent to 1,000 plastic bottles. It's a tangible and significant contribution to reducing plastic pollution.