Popular with military personnel, the Vacuum Sealed Travel Mug combines the advantages of an insulated mug with a stainless steel vacuum flask. An innovative leak proof screw-down lid will not spill the contents under any circumstances and yet is completely removeable. Lid also contains separate compartment for condiments, powdered milk, sugar or chocolate etc. Vacuum flask design features double walled stainless steel insulated walls with a screw cap lid. Keeps drinks hot or cold for hours at a time. Size: 0.35 litres. Colour: Available in either matt black or olive green.