Lid can come apart for easy cleaning., Made of FDA compliant materials., Patented, Vacuum insulation provides optimum heat retention at least 6X longer., 18-8 Stainless Steel dual wall, Copper lined vacuum insulation, Fits in corporate and personal coffee machines, Deep draw liner for a more permanent vacuum insulation., Features lip and finger grooves that allow you to position the drinking spout without even looking., Includes a leak proof screw on lid with a visual open/close push button locking closure. Product is available with TruColor Digital method.