Protect your water from the heat outside with the classic vacuum water bottle relying on the same double wall vacuum insulation used in our classic vacuum bottles your drinks stay cold 11 hours or iced for 36 a true road warrior this water bottle is car cup compatible making it the perfect copilot through even the longest and hottest days with five colors to choose from every member of your crew has their own 188 stainless steel wonrsquot rust naturally bpa free vacuum insulation keeps drinks