2" Solid Silicone Barrel Bung with Grab Ring | Airtight Stopper for Wine & Beer Aging & Long-Term Storage - 10 Pack Wine Bottle Stopper 2 mm 2 3/16" 1

2 mm  2 3/16"  1 3/4"  1 5/8"

Our premium #7 food-grade silicone bungs provide an airtight seal for standard 5-gallon (20L) glass carboys

leak-proof seal while allowing your wine or whiskey to breathe naturally during the maturation process

Oversized Precision Fit: Specifically tapered to fit large-format openings (2 3/16" bottom to 2 5/8" top)

2" Solid Silicone Barrel Bung with Grab Ring | Airtight Stopper for Wine & Beer Aging & Long-Term Storage - 10 Pack Wine Bottle Stopper 2 mm 2 3/16" 12" Grab Ring Solid 10 Pack Our 2 inch solid silicone bung is engineered for the critical aging and storage phases of production. Designed to create an ultra airtight hermetic seal, it effectively blocks all oxygen ingress to protect your vintage from spoilage and evaporation over months or years in the cellar. The integrated grab ring ensures that even after a vacuum seal has formed, you can remove the stopper easily and safely without specialized