This machine is a pneumatic operated impulse sealer. This machine is suitable for single layer plastic like for example pp, pe, hymo type plastic. 

The sealing length of this machine is 450mm and the sealing width of the machine is 5mm.

The sealing result of the plastic bag is beautiful, because worker just had to step on the foot pedal, the sealing process would be done by the compress air. Thus, this machine would need the air compressor to work on.