[Material] A dish or plate is a shallow transparent lidded dish. These clear culture dishes made of thick grade polystyrene, sturdy and , with smooth and highly transparent , clearly visible, meet reasonable quality standards to quantitative analysis accurate testing. [ Sterile]These lab dishes with lids are ethylene oxide , absolutely safe as these are made of polystyrene plastic and by ethylene oxide, meet reasonable quality standards. Mycology supplies for liquid culture lids and agar plates mycology, a science kit. [Package]Product size and packaging of plastic dishes with lid are dishes with vented lid. (vented lid for better gas exchange and dishes are stackable) [Applications]These sterile dishes with lids are suitable for laboratory analysis, school science projects, science theme parties, , biological, and science projects for mycology research; general training and other activities are also applicable. Colour:transparent Material:plastic Size:60 x 15mm Package Contents: 30 x Plastic Dishes Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.