The Zoku Travel Mug is made using a durable vacuum insulated inner to keep drinks at the perfect temperature throughout the day. ·        Vacuum insulated wall - keeps drinks hot or cold ·        Keeps drinks chilled for up to 4.5 hours ·        Keep drinks hot for up to 2.5 hours ·        Leak proof ·        Durable powder coating ·        Stainless steel edge ·        Material: Stainless Steel, Polypropylene ·        Capacity: 350ml ·        Colour: Navy