DescriptionPackage contains 12pcs test tube with corkstopper. Made of plastic material which is durable. Have a good seal. Great for scientific experiment, storing powder, liquid or grow plants. It is your daily essential product for your home.Feature- Color: As shown. - Material: Plastic. - Size: About 10 x 1.5 x 1.5 cm. - Package contains test tube with corkstopper. - Made of plastic material, durable in use. - Have a good seal. - Great for scientific experiment, storing powder, liquid or grow plants. - Comes with clips, convenient to use.