3.9 x 3.9 x 7.5 inches

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Set includes 4 air locks, 4 sturdy white screw-on lids for wide mouth mason jars, 4 silicone gaskets, 4 grommets, 1 (2-sided) instruction/recipe sheet. All components are BPA-Free.
Use the sturdy, handsome storage case to improve organization in your kitchen. Makes an excellent gift for the fermentation expert in your life.