These culture vessels are suitable for a wide range of laboratory uses, including culture, tissue culture, and other scientific investigations. The glass material is non-reactive and provides a environment for your samples. The 90mm diameter offers sufficient space for growth and observation, making them versatile for various experiments. Features - Color: Transparent -Material:Glass -Size:9.80X9.80X2.20cm/3.85X3.85X0.86in - glass: made from borosilicate glass, these culture dishes are reusable and resistant to temperatures, providing durability for various lab applications -Enhanced visibility: the clear, bubblefree glass allows for easy and accurate observation of samples under a microscope, making it ideal for mycological studies -Multipurpose: these dishes are great for laboratory training, children's science experiments, and even themed birthday parties, offering a wide range of educational uses -Clear microscopy: the optical clarity of these plates ensures precise and detailed observations during microscopic examinations, crucial for accurate research -Consistent cell growth: designed with a flat, smooth surface, these dishes promote uniform cell growth without clumping, and the vented lids ensure proper ventilation and protection Package list: 10 x glass petri dishes