WECK Jars are high-quality glass jars crafted to help make our lives easier and more sustainable. Our jars are made in Germany with the highest quality elements. While crafted for canning, our jars make the perfect compliment to a more sustainable home and great for storage of all kinds. WECK Jars are dishwasher and microwave safe. Our Mold Jar and Mini Mold Jar collections are freezer safe when using our plastic keep fresh covers. WECK Jars make a great gift! Make sure to check out our lid alternatives to complete your collection.