One year warranty for manufacturing defect Simple threaded lid for easy use,100 percent rust free steel, Copper coating for better heat retention, Color: Silver, Material: Stainless Steel, Shape: Round, Package Contents: 1-Piece Bottle (1.71 Litres) Milton Insulated Steel Bottles Are A Part Of The Thermosteel Range. Its Unique Temperature Retention Mechanism Keeps Your Beverages Hot Or Cold For 24 Hours. It Will Keep Your Drinks Just The Way You Need Them Through Out The Day.