Hand Sealer "As the name suggests - is the simplest and most useful tool for a wide variety of packaging materials. The operation of the hand cover is very simple. This does not require any technical knowledge. Visual is very important because this stamp is suitable for a few inches.Also, the minimum amount of time required for marking can be set according to the thickness of the packaging material. of high and low plastic manufacturing In industry, this bag stamp is widely used in food packaging materials.