14 oz Nimbus Vacuum Tumbler

18-8 Stainless Steel dual wall, Copper lined vacuum insulation,Deep draw liner for a more permanent vacuum insulation.,Vacuum insulation provides optimum heat retention at least 9X longer.,Patented,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 openclose push button locking closure.,Features a black silicone band and high spout for drinking.,Lid can come apart for easy cleaning.