Come and see our amazing products. Our insulated camping mug offers great features that makes this the ultimate drinkware. The extra copper lining between the double walls allows for better heat retention that keeps hot beverages heated for over 3 hours while keeping cold drinks refreshingly chilled for over 9 hours. Ideal for a wide range of drinks such as hot coffee and tea. Made from the highest quality, food grade 18/8 stainless steel that won't produce any funky flavors or tastes. Never worry about your cup rusting or leaving a bad metal aftertaste. Comes with rubber gasket sip lid to reduce splashing so you can take your cup on the go. Great for different occasions, such as by the campfire or out in a picnic. Pls confirm further with us if any query about packing info, inventory status and time schedule.