Portable and compact sizeThis Impulse Packaging machine includes the feature of timer knob You can increase or decrease the heat time using timer knob to avoid any break damage or nontighten seal The operation of the heat sealing packing machine is very easy Just put a plastic bag on the sealing platform and then push down the handle After 12 second release the handle The perfect seal is complete Adjustable timer allows perfect plastic bag seals for a wide variety of bags thickness A typical seal takes only a fraction of a second These powerful units will seal most small bags including those made with Polyethylene Polypropylene Polyvinyl Chloride Cellophane Polyolefin Can be used for small size bag upto 8 inches in sealing width Ideal for use at home kitchen store warehouse shop cafe etc The hand sealer creates a seal that keeps products safely and securely in the bag Perfect to package a wide variety of products Plug and use Easy to use yet machines with an inbuilt timer to regulate the seal cycle thus assuring that all bags are sealed equally without the need of constant operator supervision No complicated training of personnel required