MBP 96 Well Deep Well Plates by Molecular Biology Products are polypropylene plates for culture, extraction and sample storage. Choose 2.0 mL round-bottom wells or 1.1 mL wells, sterile or non-sterile. Plates store samples down to -80 °C, and an ultra-flat top surface helps heat sealing films bond evenly. They are certified RNase-free, DNase-free and nonpyrogenic and packed 50 per case.