* Mason Jars are a fantastic way to help preserve food and ingredients in a safe and organised way. The Mason Jars with Lids come in a set of 6 and can be used for drinks, beverages, cocktails, pickling or even overnight oats. The Preserving Jam Jars come with lids! * The Glass Mason Jars are made out of glass and have a measurement stripe on the side to help show and indicate volume when you use the mason jars. The Jars are approx 13cm Tall and 7cm wide. Each glass jar can hold up to 490ml of liquid or brine. They are clear glass helping you identify what is inside of the jars. * Each Glass Jar can be used for pickling or preserving home made jams or chutneys.