AmpacFlexiblesSpeciPAKSP6-801EZ-500 4.5MilclearsaranpolyesterheatsealablestanduppouchwithtearnotchesandE-ZZip?reclosablezipper.Resealablezipperisdurableandwithstandsseveralopenings.Thispouchwillnotdelaminatebecauseofextendedcontactwithchemicals,suchasalkalis,formaldehyde,mostacids,organicsolvents,greasesandoils.Thestand-upSpeciPAKisconvenientforspecimencollectionandstorage.ThisSpeciPAKisheatsealableandbothboilableandmicrowavable.SpeciPAKiscompatiblewithmostconditionsinthelab. Film:CLEARSARANPOLYESTERFILMFeatures:20MMZipperSize(Inches):6x9x1.563CasePack:500MVTR:ASTMF-1249g/100sq.in.24hrs.0.1OXYGEN:ASTMD-3985cc/100sq.in.24hrs.0.388