Base Outer Diameter (including glass flange):3.56 inches (approx. 90.4 mm). This flare rests cleanly on top of the jar's outer rim.
Fitment (Plug) Outer Diameter:2.88 inches (approx. 73 mm). This is the width of the lower glass section that slips into the neck.
Overall Total Height:2.13 inches (approx. 54 mm) from the bottom edge to the peak of the rounded dome. [1]
Dimensions of Flat Lid
Total Outer Diameter:3.44 inches (approx. 87.4 mm). The flat, thin upper glass shoulder extends to this width to sit horizontally flush on top of the jar's outer rim.
Fitment (Plug) Outer Diameter:2.88 inches (approx. 73 mm). This is the recessed glass step-down ring underneath the lid that plugs into the mouth of the jar.
Inner Gasket Compatibility: When wrapped with the standard soft plastic inner fitment ring, it securely seals the universal 2.91-inch (74 mm) inner neck opening shared by the 8 oz, 16 oz, and 24 oz jar sizes.
