[Material] A dish or plate is a shallow, transparent lidded container. These clear culture dishes are made of thick-grade polystyrene, providing strength and durability. They feature a smooth and highly transparent surface for clear visibility, meeting acceptable quality standards for quantitative analysis and accurate testing. [Sterile] These laboratory dishes with lids are sterilized using ethylene oxide, ensuring a safe and contamination-free environment. Made from polystyrene plastic, they meet standard quality requirements. Suitable for use in mycology applications, including liquid culture lids and agar plates, as part of a science kit. [Package] The product size and packaging include plastic dishes with vented lids. The vented lid design allows for improved gas exchange, and the dishes are stackable for efficient storage. [Applications] These sterile dishes with lids are ideal for laboratory analysis, school science projects, biological research, and general educational activities. They are also suitable for science-themed events and training programs. Color: Transparent Material: Plastic Size: 60 x 15mm Package Contents: 30 x Plastic Dishes Only the items listed above are included; other products are not included. Note: Lighting and display settings may cause slight variations in the color of the item as shown in the image compared to the actual product. Measurement may vary by +/- 1-3cm.