• Super Wide Mouth: Mouth size: 4.3in/10.9cm, this glass mason jar with a wide opening, It’s wide enough to put a 1 measuring cup in it, also It's easy to reach in and take food or scrub the bottom
• With Tick Marks: The Cookie jars with fluid ounce (american unit of capacity) and millimeter(international volume unit), no need to use a measuring cup, more convenient to measure
• Airtight Leak-proof Lid: The hinged lid and the silicone gasket are tightly matched to provide a double seal, great for both dry food and drinks, keep food fresh and drinks does not overflow.
• Thickened Glass: Each airtight jar (excluding the lid) weighs 3.24 lbs, which is 0.4-0.7 lbs heavier than a normal glass jar, The thickening of the glass walls makes the bottle more durable and stable
• Saving space: The capacity of square glass jars is 4200ml, which size is 10 inches*5.1 inches, small size but large capacity, very suitable for shelf, cabinet, pantry, countertop
• Extra Gaskets: Each package come with 2 extra silicone gaskets, 2 stickers and 1 marker pen.
• Anti-Crack Tips: Soak the jars with airtight lids with warm water before adding boiled water. Avoid SUDDEN temperature changes, such as adding boiled water without a warm-up process or putting a hot jar on a cool or wet surface