Dynarex LabChoice Petri Dishes are premium quality, sterile dishes designed to provide a safe environment in a variety of laboratory settings. The Dishes are crafted from high-quality polystyrene for enhanced durability and feature a transparent design for improved visibility of contents. The stackable lid design offers improved stability and helps to optimize storage space for added convenience. The Petri Dishes feature ventilation ribs to increase air circulation and help reduce condensation. The flat bottom design allows for even media distribution to help promote consistent cell growth.   10 PER BAG, 50 BAGS PER CASE