This is a set of the test tubes with a storage holder, which are made of materials, durable and can be used for a long time. Each test tube come with a well sealed, very suitable for storage samples, experimental cultivation and more. Share with your friends and family as they are practical test tubes. Features -Color:Multi -Material: Plastic. -Size: About 32.00X15.00X14.00cm/12.58X5.89X5.50in. - Made with premium plastic material, environmentally friendly, strong and durable to use. - Smooth surface for easy to clean and ensure the accurate experiments. - The plastic test tubes with a tight fitting cap, no rough edges, they are water and air tight, and have a good seal. - The package contains 100pcs test tubes with a multifunction stand, which can meet your diverse needs in daily life. - It can be used as an accompaniment for students to research freedom, or for storing samples. Package list: test tubes 1 x stand