The robust construction of these plastic tubes ensures they can withstand regular handling and transportation. They are reusable and easy to clean, making them an eco-friendly choice for storage needs. The tight-fitting lids provide a secure seal, keeping the contents fresh and protected from external elements. Features -Color:Transparent -Material:PVC, acrylic -Size:23.50X1.50X1.50cm/9.24X0.59X0.59in -Clear view: transparent plastic tubes offer a clear view of the contents, making it easy to monitor experiments. -Odor management: agarwood tube design effectively prevents odor diffusion, maintaining a fresh experimental environment. -Versatile use: suitable for a variety of experiments in chemistry, biology, and other fields, meeting diverse needs. - proof: strong resistance to from various chemicals, ensuring safe and secure experimentation. -Dependable: made from robust hard plastic, these tubes are and resistant to deformation, ensuring reliable experimental results. Package list: 16 experimental round tubes