Silicone Straw Hole Grommets for Mason Jars, 50 Pcs

Features: The silicone o rings are easy to install and remove. Simply place the grommet into the opening so that the groove catches on the edge, then punch or drill a hole in the mason jar lid. The high temp silicone grommet can transport or store your beverage conveniently while closing the straw hole, and is able to withstand high temperatures.

Specifications: Material: Silicone Color: White Size: Inner diameter: approximately 0.40 inches/10 mm Outer diameter: approximately 0.67 inches/17 mm Package includes: 50 x Silicone gasket Notes: Manual measurements may result in slight errors in size. The color may vary slightly due to different screen displays.

What You Get: The package includes 50 pieces of silicone grommets designed for holes of approximately 0.4 inches/10 mm, suitable for stainless steel or silicone straws, making it the perfect match for your cups or straws.

Fits 12 mm Hole: The white silicone hole grommets are suitable for mason jars with 0.47 inches/12 mm holes, or other jar lids with about 0.47 inches/12 mm holes. If needed, you can create your own holes, just ensure the size is correct.

Versatile Application: These silicone gaskets can be used as straw hole plugs for mason jar lids, as well as mason jar fermentation airlock lids for sauerkraut and kimchi fermentors, and barrel fermentation for home brew wine and beer making.

Ideal for 8 mm Standard Straws: The straw hole collar has a hole with a diameter of approximately 0.4 inches/10 mm, suitable for standard straws with an outside diameter of about 0.32 inches/8 mm. Using straws larger than 0.4 inches/10 mm may cause deformation of the silicone.

Safe and Long Lasting: The silicone gaskets can be washed in water before first use and are dishwasher safe, making them reliable and reusable. With proper care, they can be used multiple times.

product information: