This stainless steel mug is vacuum-sealed to keep beverages hot for up to five hours, and cold for up to 20 hours with ice, according to the brand. All parts of the mug are also BPA-free, ...

Life & Culture; Igloo releases its own line of stainless-steel drinkware including mugs, tumblers and a half-gallon jug. Published: ; Sep. 16, 2021, 12:54 p.m.

Abusive Lab Test: Stainless Steel Travel Mugs. We spill hot coffee everywhere (and measure mug heat retention) so you don't have to. By Seth Porges Published: Apr 07, 2010 9:45 PM EDT.