Our High Density Moisture Proof Test Paper Drum is a protective product whose purpose is eliminating the chances of taking in moisture by delicate materials. As there is a growing need for quality medical appliances, our drums present a great advantage to laboratories and healthcare providers. High density not only provides a great level of moisture protection but adds to the strength of the samples being saved inside. This item is important in the manufacture of various medical products to assure quality control, whereby the tests and diagnostics produce consistent and accurate results in most situations and conditions.