[10 Drin Glass] Laboratory Drin is made of High-quality materials. It can be reused and can be sterilized at high pressure. [Easy to observe] Due to high transparency, you can easily and clearly observe the sample under a microscope. [5mm vaccination ring] the inoculation ring is made of durable High-quality materials. [Application] Very suitable for laboratory analysis, biological, scientific laboratories, children's school projects and other activities. [Including packaging] 60mm x 15mm Petri Dish Glass (10); 5mm for vaccination ring (1). We use PE foam and cardboard packaging to protect the petri dish glass from being damaged during transportation, don't worry! size: 60mm Material: Glass colour: transparent Package Contents: 10 x Petri Dish Glass 1 x inoculation loop 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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!