Insulation: The 16 oz (0.47L) model typically keeps drinks hot for 6 hours and cold for 10 hours. Smaller 12 oz (0.35L) versions may keep drinks hot for 4 hours and cold for 6 hours.
Featherweight Technology: These are approximately 33% lighter than standard Stanley stainless steel bottles.
Design: Made from 18/8 stainless steel with double-wall vacuum insulation. They are dishwasher safe and compatible with car cup holders.