Includes a leak proof screw-on lid with a visual open/close push button locking closure. Patented designed lid 18-8 Stainless Steel dual wall, Copper lined vacuum insulation Will hold your beverage at the ideal drinking temperature at least 9X longer or over 3 hours. Made of FDA compliant materials. Vacuum insulation provides optimum heat retention at least 9X longer. Features lip and finger grooves that allow you to position the drinking spout without even looking. Lid can come apart for easy c. Complies with FDA. 2.5" D x 2.5" W x 9.25" H