The glass jar's wide opening makes it easy to reach inside the jar to add and remove ingredients or clean every inch of the inner surface. The glass surface doesn't scratch easily, so these jars are easy to sanitize and do not harbor bad odors or flavors. 
Can give decades of great performance if handled with care.
Rubber or silicone bung D36/44 mm fits hole in lid.

-Wide opening (15 cm) for easy cleaning
-Durable straps included that make carrying easy
-No bad odors or flavors
-Glass surface doesn’t scratch easily
-Lid has a hole for airlock
-Dimensions: 23 x 31 cm