Are you search of a proper container when doing chemical experiments? , you can not miss our test tube set. Transparent , easy to see the content inside. You can use this kit to do experiments, make hydroponic plants or store liquid to fit your different demands. Features -Color:Assorted Color -Material:Plastic -Size:16.00X5.60X3.70cm/6.29X2.20X1.45in -Size:11.00X1.20X1.20cm/4.32X0.47X0.47in -Note:the color of the stopper is random. - Equipped with a stopper, it can be better sealed to prevent the stored items from being dust or moisture. - Reliable and light material, safe, practical and , can be used for a long period of time. - Widely applied for home, school and chemical experiment equipment to use, a professional tool to arouse the kids' interest. - Transparent , easy to see and observe the situation of the content, save your time and efforts. - Can be used to storing hand-made beads, powders and liquid, convenient to store or carry without much efforts. Package list: 2 racks 12 with stoppers