Double wall stainless steel Vacuum insulation technology for maximum temperature retention. Keeps your beverage hot or cold for more than 24 hours!  Spill proof silicon filter controls the flow of liquid making it excellent for travelling.  With a removable infuser pocket made of durable Eastman TRITAN  Infuser pocket can be used to make Green / Herbal Tea and infused, fruit flavoured water  Rubber bottom for better grip on smooth surfaces  Premium honeycomb design in brushed steel finish adds to the luxurious feel  Separate space for branding  Available in 2 colors: Metallic Gray and Champagne  Capacity: 550ml approx