The NEO Insulated Tumbler is your perfect on-the-go companion, crafted from 18/8 food-grade stainless steel for ultimate durability. Featuring a flick-open sipper, twist-open lid, and spill-proof design, it ensures effortless sipping anywhere. The soft-touch base adds stability, while the wide mouth makes cleaning a breeze. Keeps drinks hot for 4 hours and cold for 8hours.