HOT AND COLD FOR HOURS – NEW FOR 2019 Triple Wall Vacuum Insulation – Copper Extra Lining between the 2 Stainless Steel Walls. Fill your metal drink bottle with ice and top with water or fill with hot liquid – Herbal Tea or Hot Chocolate and allow the TRIPLE WALL INSULATION to protect your drinks all day. NEW SCREW ON TOP – Keeps vacuum intact for better insulation. Just unscrew top slightly to pour…