About this item 【Intelligent】 Compare the Manual Portable Vacuum Pump, This Auto electric can save your time and strength, Easier and more beautiful. 【Portable】For the smart design ,It is very easy to use and very convenient to carry when traveling or having a picnic. 【Upgrade Hose Kit】the UPGRADED HOSE KIT can fit for most vacuum machines provided the accessory port diameter is 6mm or the external extraction interface is a convex rod with a diameter of 0.08″-0.12″. 【Keep The Foods Fresh】Jar Sealers are suitable for Mason-type jars with wide mouth and regular mouth. Creates an air-tight vacuum seal for jars, which is ideal for sealing liquids, fragile foods, and dry foods. 【Environmentally Safe】: Our vacuum sealer for jars is made of premium ABS plastic, food-grade silicone, BPA-free, odor-free, healthy for a human to use, crack-proof, and durable for daily use. easy to clean by hand, dishwasher safe. 【100% Satisfied Service】： If you have any doubts about our mason jar vacuum sealer, please contact us any time, we will provide you with satisfactory service within 24 hours.