FoodSaver Regular Jar Sealer Creates an Air-Tight Seal Don't just close those Mason-type jars, make them air-tight with help from this regular jar sealer from the experts at the FoodSaver brand. The handy one-piece attachment fits on regular pint- and quart-size, Ball and Kerr Mason jars to create an effective vacuum seal that locks out air, sealing freshness in. Re-seal those handy food-storage jars again and again, using a standard Mason jar lid and the FoodSaver jar sealer. Easy to Use The jar sealer works with any FoodSaver vacuum sealing system (machine not included). Simply connect one end of the jar sealer to the machine's accessory port and the white, round-shaped end to the top of a lidded Mason jar, so that it fits securely over the screwed-on lid. With the push of a button, the system quickly extracts all the air from inside the jar, pulling it out through the flexible tubing to form an air-tight seal. Ideal for Liquid and Dry Storage Alike Though not to be used as a replacement for traditional canning methods, the FoodSaver regular jar sealer works well for safely storing strawberry and blackberry jams, chocolate sauces, hot mustards, and other liquids and fragile foods. It's equally effective for storing dry foods like brown sugar, aromatic spices, dried fruit, coffee beans, and baking flour. Keeps Food Fresh up to 5x Longer -- Save up to $2700 a Year The FoodSaver jar sealer keeps food fresh up to five times longer when compared to other storage methods (like zipper bags, foil, plastic wrap and plastic containers). The FoodSaver system can also help you save up to $2700 a year by buying food in bulk, purchasing on-sale food items, and not having to worry about freezer burn or wasted food.