Product is ok, who complains about sterilization, should practice sanitary techniques. Disappointed with the packaging of this package. There were 40 thin plastic petri dishes packed in a bag, which was shipped as if this box of items had been dented. I am absolutely amazed that none of them ripped due to poor handling/packaging. Otherwise the product is exactly what you need. This is my second order and the contamination rate is around 10% (assuming I do it myself). Be sure to use parafilm and be careful not to use too much force as the plastic breaks very easily. If the plastic was a bit thicker, the arms down would be better. Thick these guys a little!
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