Any wine connoisseur will love this stainless steel tumbler. Double wall vacuum insulated design maintains temperatures. Spill resistant with a tri-mode lid. Non-slip silicone base. 18/8 Stainless steel construction with a powder coat finish. Keeps hot drinks hot up to 4 hours and cold drinks up to 6 hours. BPA/BPS/BPF-free construction. 0.35L/12oz Capacity. Dishwasher safe.