Trudeau Chazz 16-Ounce Stainless Steel Travel Mug, Black 16-Ounce travel tumbler by Trudeau Leak-proof flip top lid; easy-flip open tab; innovative drinking method and leak-proof assurance; trulock technologies Stainless steel exterior; double wall insulation keeps beverages hotter or colder, longer Comfortable, side handle; provides secure grip Non-slip rubber base; 5-Year warranty