Includes a leak proof screw on lid with a visual open/close push button locking closure. Vacuum insulation provides optimum heat retention at least 10X longer. Available in 16 different colors Features a lip groove that allows you to position the drinking spout without even looking. Made of FDA compliant materials. 18-8 Stainless Steel dual wall, Copper lined vacuum insulation Patented designed lid can come apart for easy cleaning. 3" D x 3" W x 9.25" H