Promotional Tumblers & Travel Mugs, Igloo 20 oz Double Wall Vacuum Insulated Tumbler - Leak Proof & Food Grade Steel, Keep Igloo 20 oz. Vacuum Insulated Tumbler in your car cup holder and stay healthily hydrated throughout the day during your daily commute or while on a road trip. The leak-proof flip n' sip threaded lid features a wide mouth for easy cleaning and filling, a small sipper hole for drinking and an integrated carry handle. The tumbler is made of 18/8 food-graded stainless steel and will keep your drink hot for 6 hours and cold for 24 hours. The built-in silicone coaster adds a layer of protection for your tumbler and tabletop surfaces and its thumb-grip indent provides a comfortable hold. FDA Compliant and BPA Free. ... #CG1008 $31.45/each.