Description Canning jars are made from heavy-duty glass can take the heat necessary for making jellies, sauces, and other treats. The single-use lids form a tight seal for safe long-term storage. And the metal bands can be reused again and again. Our jars are custom embossed with our handsome logo -- a decorative touch that makes them stand out.A staple in homes everywhere canning jars are so versatile they've moved into other areas of our lives. They make sturdy drinking glasses and can store odds and ends (and you can see what's stored through the clear glass). They're easily cleaned in the dishwasher, and don't absorb odors like plastic containers.