Buy the Brentwood 350mL Vacuum Flask Coffee Thermos at Michaels. com. The Brentwood 350mL Vacuum Flask Coffee Thermos is ideal for your hot beverage of choice. The Brentwood 350mL Vacuum Flask Coffee Thermos is ideal for your hot beverage of choice. It maintains your drink nice and warm for long periods of time. Its high-quality stainless steel body has an easy push and pour option to prevent spill and is vacuum insulated. Details: Silver 3" x 3" x 7.5" 350 mL capacity Sweat-free vacuum insulation Push and pour spout Keeps drinks hot or cold for up to 6 hours Slip-free rubber grip 2-in-1 cap and cup BPA-free Stainless steel | Brentwood 350 ml Vacuum Flask Coffee Thermos in Silver | 3" x 3" x 7.5" | Michaels®