If you are looking for a soil observation tank for your laboratory, then you miss our laboratory soil observation tank. The use of plastic, high grade, . It is a useful laboratory tool for doing your experiments. Versatile, widely used in home laboratories, universities, classrooms, etc. Features -Color:Transparent -Material:PP -Size:2.50X2.50X1.20cm/0.98X0.98X0.47in - Plastic material, strong and , reliable and . Transparent design is more convenient to observe. - Smooth surface treatment, won't hurt hands, very safe to use. Use more secure. - The sample soil observation tank is mainly used for soil observation, and can also be used for soil weighing. - Lid design prevents soil or sample overflow and completely protects the sample. - Versatile, widely used in laboratories, universities, classrooms, research institutes, etc. Meet different use needs. Package list: 25 x soil jars