Constructed using double-walled, vacuum-insulated stainless steel, keeping your morning coffee or happy hour beverages at just the right temperature. It's topped off with a tri-mode lid for flow control so you don't spill while you chill. The heavy-duty powder coat is scratch resistant and allows you to toss the tumbler in the dishwasher when you're finished. A non-slip silicone pad on the base grips surfaces to avoid scratches and spills. Free of BPA, BPS, and BPF. Nothing but clean drinking around here.Features:- Vacuum insulated - double wall vacuum insulated to maintain temperature.- Spill resistant - tri-mode lid for flow control- Non-slip silicone base- Durable - 18/8 Stainless steel with full powder-coat finish. Dishwasher safe.- BPA, BPS and BPF free- 5 hours hot, 10 hours cold