Customized Tumblers & Travel Mugs, Manna Signal 17 oz Vacuum Insulated Tumbler - 12Hr Cold & Cork Base, The Manna 17 oz Signal Tumbler is designed to keep your drinks cold for 12 hours and hot for 6 hours with its double wall stainless steel construction and vacuum insulated seal. This tumbler has a natural cork base to protect surfaces and a translucent press-on lid with sliding closure to help retain the temperature of your drink. It has an elegant metallic painted surface, fits in most car cup holders and is FDA compliant and BPA Free. Gift this tumbler to your coffee or tea lover friends and associates. ... #CM1011 $29.18/each.