Dimensions Height Opening Capacity 743 5 3/4″ or 147mm 3 7/8″ or 100mm 28.7 fl oz or 850 ml 742 4 1/8″ or 107mm 3 7/8″ or 100mm 19.6 fl oz or 580 ml 900 3 1/2″ or 87mm 3 1/8″ or 80mm 9.8 fl oz or 290 ml VERSATILE: A combo pack - to try all of our most popular jars - whether for sourdough, canning, preserving, or just storing, these jars are a must-have. Our most loved combo! Quality products that are eco-friendly and durable. DISHWASHERS, MICROWAVE, AND FOOD SAFE: Weck jars can easily be cleaned in your dishwasher (minus the gaskets and clips which should be hand washed) and are also microwave, oven, and freezer safe. Weck Mold Jars are popular because they are made with all-natural materials - which means they are BPA FREE. These jars are easy to use, offer a large range of various sizes and styles, are simple to use and clean. PERFECT FOR CANNING: These canning jars are meant for canning and preserving. Take a second to ensure your jar, lid, and rubber gaskets are in good condition. Place a rubber gasket on the outer rim of the lid. Hold the glass lid together with the rubber gasket and then place them together on the jar. Use the stainless steel clamps to hold the lid in place.
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