FoodSaver T03-0023-01 Wide-Mouth Jar Sealer Type: Accessory Features: Use your own Mason jars (Ball and Kerr ) to vacuum package liquids, fragile foods and dry goods like brown sugar, spices, dried fruit and coconut. Keep jams, chocolate sauces and your homemade gifts fresh longer by using these handy, reusable sealers. FoodSaver Jar Sealers come in two sizes. The Wide-Mouth FoodSaver Jar Sealer may also be used with FoodSaver Canisters.