Experience perfect storage with our 3.4" wide mouth mason jars. These airtight, BPA-free jars are perfect for canning, preserving, and storing food for longer. Easy to fill, empty, and clean, whether in the kitchen or the fridge. Keep your kitchen organized and your produce lasting longer with these durable, leak-proof mason jars.
  Use Mcupper mason jars for a variety of tasks, including canning, preservation, and storage. These jars are ideal for holding fruits, vegetables, herbs, and snacks. The wide mouth and airtight lid make them perfect for extending the shelf life of your favorite foods. Easy to use, clean, and reliable, these jars are a great addition to your kitchen repertoire. From home crafted crafts to DIY projects, they’re perfect for holding all kinds of items.