38mm Black Plastic Poly Seal Screw Cap [Fits 1/2 Gallon and 1 Gallon Jugs]

These 38mm Poly Seal Screw Caps fit our 1/2 & 1 gallon jugs & growlers that we carry. Easily clean & sanitize for reuse between batches. The poly cap will not rust over time, so let them soak and dry as much as you want.