Patented. 18-8 Stainless Steel dual wall, Copper lined vacuum insulation. The leakproof screw-on lid which has a lip groove, that allows you to position the drinking spout without looking Has a deep draw liner for more permanent vacuum insulation. The lid has a visual open/close push button locking closure comes apart for easy cleaning 18-8 Stainless Steel Vacuum insulation provides optimum heat retention at least 11X longer. Available in 16 different color options. Lead-free vacuum seal.
2.75" D x 2.75" W x 9.25" H