Introducing our 30oz coffee tumbler, crafted from premium stainless steel for durability and rust resistance. The vacuum double-wall design guarantees superior insulation, keeping beverages hot for 6-12 hours and cold for 12-24 hours. The flip lid features a drinking hole for added convenience, allowing you to use a straw or sip directly. With a secure clip seal, this tumbler ensures no spills or splashes. Ideal for sea shipment, prices for quantities over 500 available.