CYLINDRICAL OPEN-HEAD OR TIGHT-HEAD JARS REALIZED IN HIGH DENSITY POLYETHYLENE (HDPE), HAVE A CLOSURE WITH SCREW PLUG AND POSSIBLE PRESSION UNDERCAP FOR A PERFECT SEAL. THE OPEN-HEAD JAR VERSION ALLOWS AN EASY FILLING WITH LIQUID OR SOLID SUBSTANCES AS DUSTS, GRANULES AND SIMILAR; THE PLASTIC CANS ARE SUITABLE FOR CONTACT WITH FOOD AND THEY CAN EASILY BE LABELED WITH NORMAL STICKING LABELS. THE RANGE INCLUDES JARS OF ROUND OR SQUARE SECTION, OF DIFFERENT CAPACITIES; THE CLOSURE CAN BE EITHER WITH A SCREW PLUG THAT WITH SELF-SEALING CAP TO TEAR.