Parafilm PM996 USA

Parafilm M is a semi-transparent, flexible, thermoplastic film that provides
a waterproof barrier for covering laboratory vessels. It is gas permeable
with low water permeability. Ideal for use in Microbiology and Cell Culture
applications as it does not affect oxygen or carbon dioxide permeability.
Nontoxic material is resistant to acids, alkalis, alcohols and organic
solvents. Moisture proof sealing film Stretches 200% for a secure fit
Semi-transparent, flexible, thermoplastic film Gas permeable