38mm Metal Screw Cap for Glass Growlers

Secure Your Growler with a Tight, Leak-Resistant Seal

These 38mm metal screw caps are designed to fit standard glass growlers, offering a durable and reliable sealing option. Featuring a plastisol liner for a snug, leak-resistant fit, they help maintain freshness and carbonation, making them ideal for beer, kombucha, cider, and other beverages.

Key Features:

• Size: Fits 38mm growler openings
• Material: Metal with plastisol liner
• Seal Type: Leak-resistant screw-on design
• Compatibility: Works with most standard 32 oz and 64 oz amber glass growlers
• Use Case: Great for resealing filled growlers, fermenting small batches, or storing homemade beverages

Why Choose Metal Screw Caps?

Compared to plastic alternatives, metal screw caps provide a tighter seal and a more professional look. The plastisol liner expands slightly when tightened, helping prevent leaks and extending the shelf life of your filled growler. Whether you're packaging for sale, gifting a homebrew, or storing a wild fermentation, this cap keeps contents secure and protected.