Hot or cold - Perfect for taking coffee, tea, soda or beer on the go. 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 powdercoat finish. Dishwasher safe. BPA, BPS, and BPF free. 10 Hours Cold, 5 Hours Hot. Fits most cupholders.