Vacuum-insulated for maximum temperature retention keeps beverages cold for 20 hours Unbreakable stainless steel interior & exterior for ultimate durability Lockable, leak-resistant lid also helps keep spout clean Built-in carry handle with carabiner clip for easy attachment One-hand operation for hydration on the go Non-slip side grip for a comfortable, secure hold & silicone bottom for quiet set-down on any surface BPA & lead free Removable cap gasket for easy cleaning