Protect the integrity of your laboratory and research applications by keeping moisture loss to a minimum and shield the contents of your items with a flexible covering and overwrap. Prevents moisture and volume loss due to material composition and seal strength reduce the risk of tampered data allow...

Parafilm M roll. Small piece of this film will seal test tubes, beakers, flasks, culture tubes, etc. Made of a semi-transparent, flexible and waterproof material. Resistant to most acids and alcohols yet is gas permeable. Measures 250-feet length by 2-inches width.