Snaps into Wide Mouth Loop-Top bottles to control spills and splashes. Fits Nalgene 32oz & 48oz Wide Mouth only. BPA/BPS Free - So you can drink water that's safe and tastes great. Dishwasher Safe - Safe to put in the dishwasher and easy to clean. Made In the USA - Local goods mean local jobs and fewer emissions. Weight: 2.4 oz (68g)