Mason Jar Vacuum Sealer Kit:1* wide mouth sealer, 1*Regular Sealer, 1* hose connectors (for FoodSaver Vacuum Sealer Machine and Electric Air Pump), 1*Electric Air Pump, 1* lid opener (Convenient and easy to open the lid so that the lid can be reused, 2* wide-mouth mason jar lids and 2* regular-mouth mason jar lids. Portable Vacuum Sealer Very convenient to carry when traveling or having a picnic It will be your portable and more affordable choice of vacuum sealer.The food saver jar sealers come with a hose which are compatible with these models of FoodSaver V3230/v2440/vS1100/v2251/v2244/v3400/vac500/vac750/vac800/v365/v2862/v2460/v3250/FM5200. Electric Portable Vacuum Pump: no vacuum sealer? No worries We provide you with an electric pump that you can use to pull the air out of your Mason jar. Is the sealer too big to carry around for travel or picnics? You can also use this electric pump to replace it. Food Grade Environmental Safety: Our jar vacuum sealer kit is made of high density ABS and food grade silicone, BPA free,odourless, healthy for a human to use, crack-proof, durable to use, and dishwasher safe. Keep food freshWith the help of mason jar vacuum sealer kit, you can quickly and easily remove air from mason jars to create a vacuum seal, which keeps food fresh for longer,meaning a lot less food waste.Great for jam, pickles, nuts, salads, dried fruit, coffee, grains, seeds, herbs, sauces, mustard, honey, sugar, flour, pasta and more. Foods can be held longer in storage without fear of spoilage