TiV high performance Thermally-induced Vacuum. They keep drinks hot for up to eight hours or cool for 24 hours. The stainless steel lid can be used as a cup. - Stainless steel lid can be used as a cup.
Lifeventure Stainless Steel Copper Coated TiV Vacuum Flasks 300-1000ml
600ML Tea Coffee Vacuum Flask with Cup Vacuum Cup Portable Travel Thermal Mug
Kombat Hot Cold Vacuum Flask Stainless Steel Drinks Insulated Travel Camping Cup
Trail Thermal Vacuum Flask Stainless Steel 500ml-1000ml 12hrs Hot 24hrs Cold
Stainless Steel Vacuum Flask 500ml Leakproof Insulated Hot & Cold Travel Bottle
Trespass 500ml Easy Pour Stainless Steel Vacuum Flask - Recce