At the side of the box, It says:

Double Walled Vacuum Insulated
Keeps Original Liquid Flavors
BPA Free
Sweat Free
Leak Proof
18/8 Stainless Steel
Hot For 12 Hours
Cold For 24 Hours

Now, Let’s unbox it!

• We have the Insulated Wide Mouth Lid.
• Next, is your Powder Coated Matte Finish, Insulated Water
  Bottle!
• Inside is your removable fruit infuser rod.
• The bottles’ stainless steel walls is combined with vacuum
  insulation ensuring cold beverages remain cold for 24 hours, and your hot beverages remain hot up to twelve hours!