Reusable and autoclaved:Our laboratory culture dishes are made of high-quality borosilicate glass, which can be reused and autoclaved. In addition, its high chemical stability makes it an effective container for chemicals in the laboratory. Easy to observe:the culture dish has high transparency, and there is no bubble in the glass. In mycological culture, you can easily and clearly observe the sample under the microscope. Even after several sterilization, it still maintains high light transmittance. Petri dish with cover:the diameter of the cover is slightly larger than that of the plate by about 6 mm to allow air circulation, and the cultured agar Petri dish is placed upside down to prevent water condensation. Packaging of inoculation ring:The inoculation frame is composed of plastic handle and copper bar with chrome plated surface. The inoculation ring is made of durable nickel-chromium alloy. It is very suitable for laboratory cell and tissue culture. Careful packaging:We use polyethylene foam and cardboard packaging to protect our Petri dishes from damage during transportation and ensure that the products are delivered to you intact. If there is a problem with the product you received, please contact us and we will deal with it as soon as possible. Colour:Transparent Material:Glass Size:90mm Package Contents: 10 * petri dish 1 * Inoculation Loop