Mason Jar End Cap
Mason Jar End Cap
Mason Jar End Cap 3D Drawing

Mason Jar End Cap

Product Details

Mushroom® Packaging Mason Jar End Caps are made to protect mason jars during transit. Sold as a single piece, protect your jars by purchasing one piece or two pieces. Our single piece purchase option allows you to determine amount based on your needs. Add to the appropriately sized shipping box and secure your mason jar in the parts for shipping. They are fully home compostable and will return to the soil in 45 days. This standard shape is great for protecting mason jars of multiple sizes (wide mouth and regular).


Suggested Box Size:
5 x 5 x 4 box - Half Pint Jar
5 x 5 x 6 box- Pint Jar
5 x 5 x 8 box- Quart Jar


All products are grown to order with an organism called mycelium. This can take 2-3 weeks. Sample products and ready made products if in stock may ship sooner.

We ship via UPS. If you have problems receiving certain carriers at your address, it is your responsibility to inform our team before we ship your order.

Dimension drawings are expressed in inches. Our products generally ship within 2-3 weeks of placing your order.