Vacuum insulation keeps drinks hot 2.5 hours, cold 4.5 hours, or iced 20 hoursn18/8 stainless steel wonu0026#39;t rust; naturally BPA-freenIntegrated D-ring lets you clip to packsnLeak-resistant flip lidnDishwasher safenLifetime WarrantynYou try to tell your cold hands not to spill hot coffee in the morning, but your brain is still asleep in your bed or tent. The splash-proof lid and big, friendly handle on the Stanley Classic Vacuum Camp Mug help keep the coffee-to-lap ratio slim. Stanley made the Classic Mug with durable, high-quality polycarbonate for the top, and a double-wall insulated steel body.