What are some tips to ensure my Coldest bottle stays cold the longest?Updated a month ago

To maximize the cold retention of your Coldest bottle, we recommend filling it all the way to the top with ice, then adding water. Through our own testing, we've documented instances where our bottles kept water extremely cold for periods ranging between 3 and 10 days. However, if you find that ice melts quickly or there's sudden condensation on the outside, this might indicate a compromised vacuum insulation. Do not worry—just let us know, and we can discuss an exchange or a replacement to ensure you have the optimal Coldest experience.