Esbit Vacuum Flask (34 fl oz, Dark Blue/Dark Gray)

Keep beverages hot or cold for up to 24 hours with the 34-fluid-ounce Vacuum Flask from Esbit, offered here in dark blue/dark gray. Its BPA-free, 18/8 stainless steel double-wall construction provides durable insulation. The stopper screws tight to prevent any leaks and has grooves that make pouring a cup simple.