These large mason jars with lids are made of ultra-thickness glass, BPA-free and lead-free, 100% reusable. Reusable and Durable: Canning jars are made of durable thick glass, leak free and BPA free, reusable and easy to clean, dishwasher safe; also could be served as glass storage jars for flour, pasta, oats, coffee beans, sugar, rice and other dry food.
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