PET preform is made from original high quality polyethylene terephthalate. The preform (blank) is used for further blowing of polymer containers on automatic and semi-automatic blow molding machines. Elfapack preforms have excellent dimensional accuracy, high rigidity combined with good impact strength. Jars and bottles made from PET will have optical transparency on par with glass. PET material is resistant to fats, oils, alcohols, acids and alkalis.