The Patriot 30oz insulated stainless steel tumbler keeps your favorite drink ice cold or steaming hot for hours. Patriot symbolizes the American spirit incorporating the stars and stripes of our flag in a battlefield-ready design. Double Wall Vacuum Insulation - interior copper lining coating for exceptional temperature retention. Keeps Ice Longer - Preserves ice for up to 24 hours. With every purchase of a Patriot Coolers product a portion of the proceeds are donated to Homes For Our Troops. Complies with FDA, Prop 65. 3 15/16" L x 3 15/16" W x 8" H