38mm Polyseal Screw Caps. Fits 1 gallon, 1/2 gallon and 1/4 gallon glass jugs.
Black plastic cap with cone shaped HDPE plastic liner for a superior seal and re-usability. These hard plastic caps can be dis-assembled and are easy to sanitize. Polyseal caps are more re-useable than foam liners that can wear out with multiple uses. Will handle the acidity of beer and wine without breaking down over time. Sold Individually.