Professional petri dish for laboratory experiments, and scientific research, school teaching use, etc. Resists to corrosion and heat, also easy to clean, give you a pleasant using experience. It is simple to use and can effectively help you to hold samples and observe samples. Features - ColorTransparent -Material:Plastic - Size: 3.50X3.50X1.50cm/1.38X1.38X0.59in -Suitable for classroom teaching, chemistry experiment, and also fit for laboratory use. -Our petri dishes serve you in multiple ways and perform experiments while enhancing your learning experience -With cover, this petri dish provides well protection for your samples, and easily meets your different needs. -Featuring clear color and smooth surface, these petri dishes are helpful to ensure that your samples are safe. -It is made of plastic material, and sturdy for use, fine workmanship its practicality. Package list: 10 x Petri Dishes with Lids