The vacuum applied food type mainly is hot to seal the packaging
-------------------------------------------------------------------------------- 1, Did not become rusty completely and just design, durable in use; 2, Vacuum time is 20 seconds (up to 0 with empty barrel , vacuity. Whether 08 more than necessary time), 3 , pair is it design to seal, seal the length. 370mm *2 4, capacity of putting tea: 5. 0Kg