Package include:10 pieces disposable plastic petri dishes with lids which is consisted of a transparent bottom and cover. Material and size:the clear petri dishes are made from plastic and sterilized with ethylene oxide and contains no agar.The diameter of the petri dish is about 60mm.The products are sealing and dust-proof with a plastic bag to avoid contamination and effectively protect the smooth surface of petri dishes. Advantages:the disposable petri dish with lid is crystal clear and uniform in thickness,the surface of petri is smooth which makes it easy to observe and quantitative analysis more accurate.And single use petri dishes are safer and more hygienic, effectively avoiding possible pollution caused by improper sterilization. Easy to use:The lid of the dish is designed to be easy to cover and reduce pollution. A specially designed petri dish cover facilitates optimal gas exchange. Application:Plastic round utensils used to hold liquid culture medium or solid agar culture medium for cell culture.Widely used in the medical field,classroom teaching,scientific laboratories,chemical industry, scribing and separation of bacteria,plant cultivation,insect observation,etc. Matory 10 Pieces Plastic Petri Dish Sterile Bacterial Culture Dish with Lids Laboratory Petri Dish Educational Petri Plates (60mm) Package include :10 pieces disposable plastic petri dishes Material and size :the clear petri dishes are made from plastic and sterilized with ethylene oxide and contains no agar Advantages :the disposable petri dish with lid is crystal clear and uniform in thickness,the surface of petri is smooth Easy to use :The lid of the dish is designed to be easy to cover and reduce pollution Application :Widely used in the medical field,classroom teaching,scientific laboratories,chemical industry, scribing and separation of bacteria,plant cultivation,insect observation,etc.