NOTICE: Please ensure the bottle mouth diameter is 38mm (including the threaded part) before purchase; otherwise, it will not be compatible! For measurement instructions, please refer to the main image.
NOTICE: The 38mm growler caps feature a continuous thread design. Please confirm your bottle's thread type before purchase.
You will receive: 12 × 38mm bottle caps. With these beer growler caps, you can enjoy your beer again without worrying about leaks or loss of carbonation.
Premium Plastic: These reusable 38mm sealing screw caps are made of high-quality polyethylene and come with sealing gaskets. The premium material will not crack or leak.
Perfect Fit: For 1 Gallon Jugs and Carboys – Designed to fit standard 38mm openings, these caps are compatible with most 1 gallon glass jugs and carboys, providing a secure, leak-proof seal for homebrewing, fermenting, and liquid storage.