30 pieces same transparent glass funnels, sufficient quantity for you to use and displace, you can place them in the different places of your room, so they can be applied together and meet your multiple requirements at the same timeAppropriate size: the clear glass funnel adapter set is approx. 2 inches in length, and its bottom is approx. 14 mm/ 0.55 inches in diameter, which can fit glass funnels of different lengths, suitable size for you to carry them out or install them in the space of your room to meet your different needsTransparent material: the glass funnel adapter set is made of quality thick glass, sturdy and durable for you to use a long time, no melting and no deformation, not easy to break but easy to clean, you can get a good view of the content in the funnels through the transparent glassWide use of range: the handmade clear funnel set is practical and resistant, you can use them for various kinds of scientific and lab experiments according to your different needs, you can also use it by yourself or give it as a gift for your friends, colleague, classmates, family, husbandEasy to operate: the glass decorative craft bowl supplies set is easy to use and install, appropriate for giving your family, friends and other people who like to do small experiments, easy to clean after doing the experiment, which can leave them a good hands-on experienceColour: transparentMaterial: glassPackage Contents:30 x Transparent glass funnelsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.