Features: 1. Optional: The package includes 1 set x Mason Jar Vacuum Sealer, 10pcs / 18pcs optional, manual / electric optional. 2. Portable Mason Jar Vacuum Sealer: Some vacuum sealer machine is too big to carry around on a trip or picnic, don't worry, our portable vacuum pump can replace it and help you get the air out of the jar. 3. Equipped With Lid Opener: Can't open the sealed Mason Jar lid in time? Don't worry, we have a dedicated lid opener that allows you to open Mason lids easily. 4. Durable & Safe: The vacuum sealer for jars is made of high-density ABS plastic, BPA-free, non-toxic and odorless. Easy to clean by hand or in the dishwasher. The sealer creates an airtight vacuum seal on the jar lid to keep food fresh and prevent odors and moisture. 5. Applicable: The mason jar vacuum sealer is ideal for the safe storage of foods, such as jams, chocolate sauce, rice, mustard, and dry foods. Specification: Material: ABS Color: Multicolor Package Size: 20 x 14 x 5cm Package Weight: 259g, 370g, 600g Package Included: 1 Set x Mason Jar Vacuum Sealer