INDIAN INNOVATION : Milton Water Bottle has Double walled Vacuum Insulated technology that keeps beverages Hot or Cold for 24 hours VACUUM INSULATION | DOUBLE WALL: Double-wall vacuum insulation locks in temperature to keep beverages hot or cold for prolonged hours while preventing condensation on the outer surface. PREMIUM SS304 STAINLESS STEEL: Inner Outer high-quality SS304 stainless steel with copper coating for better temperature retention Silicone Band: Experience a true upgrade in hydration with a premium silicon grip that ensures a comfortable, slip-free hold wherever you go