✔ Laboratory petri dish--with chemical resistance, facilitates uniform heat distribution for efficient evaporation,culture petri dish. 

✔ PTFE petri dish--the PTFE evaporation highly resistant to, ensuring its durability and longevity, petri dishes. 

✔ These PTFE petri dishes with cover are suitable for laboratory analysis, science projects, science theme parties, mycology studies for medical, biological, science projects, and these lab petri dishes are suitable for general training and other activities.