Do you have these troubles for your manual vacuum pump? maual pumping 10-30 times? two hands to operate? push it very hard to vacuum? Don't worry electric jar sealer can pump air out of the mason jars quickly and easily. It will be your portable and more affordable choice of vacuum sealer for your outdoor travel. Electric Jar Sealer Kit Meet All Your Vacuum Seal Needs, 1* Wide-mouth sealer, 1* Regular-mouth sealer, 2* Hose connector (1 for FoodSaver vacuum sealer machine, 1 for extension hose to connect to other vacuums), 1* electric vacuum pump, 1* Lid opener (for easily open Mason lid ), 2* Wide-mouth mason jar lids and 2* Regular-mouth mason jar lids, 1*User Guide. Odor-Free Vacuum Jar Sealers for Mason Jars: Our jar vacuum sealer kit is made of BPA-free, odor-free and food grade silicone materials, healthy and safe for your canned food, Not only compatible with all regular & wide mouth mason jars, also can compatible with Food Saver vacuum sealer with an accessory port. Easy to Use, The vacuum sealing accessory meet all regular & wide mouth mason jars, as well as Foodsaver containers, Use electric vaccum pump about 6-8 seconds of manual pulling, the air can be exhausted to the sealing state. food saver jar sealer attachment are easy to clean, washable, and dishwasher safe. Lids can be put in refrigerators. Using the mason jar vacuum sealer kits to keep air out, reduces spoilage and food waste. And cooking and meal preparation will become easier, more economical and faster. you can use it indoors or outdoors, If you have any questions about our mason jar vacuum sealer, please do not hesitate to contact us immediately and we will provide you with a satisfactory answer within 12 hours.