Our 300ml Canning Jars with wide mouth 10 oz Glass mason Jars Storage Containers are the perfect solution for your storage needs. Made from high-quality glass, these jars are durable and built to last. They feature a wide mouth design, making it easy to fill and empty contents, including sauces, jams, pickles, and more. These jars are perfect for canning, preserving, and storing food items, and they are also great for organizing small items around the home or office. As a factory, we take pride in producing high-quality products that meet our customers' needs.