Contoured straw and airflow relief valve for smooth, no-tilt sipping Clean-Lock covered lid with push-button locking for leak-free peace of mind Top-rack dishwasher safe bottle and lid for easy cleaning Durable 18/8 stainless steel, double-walled for insulation Silent silicone base minimizes noise on hard surfaces Comfort-grip Loop Handle for effortless grab-and-go carrying Keeps drinks cold for up to 24 hours and hot for up to 12 hours
