Etereauty 20pcs 100*12mm Non-Graduated Plastic Test Tubes with Screw (Blue)

Description This item is a pack of 20pcs plastic test tubes which is has round bottom design with screw caps for samples food colourings craft use etc. It is also great for use as centrifuge tubes and hence are leak-proof. Features - Color: Blue. - Material: Plastic. - Size: 100*12*12mm. - Plastic test tubes for laboratory tests - Round bottom with screw-on top. - for samples food coloring crafts household etc. - These were prepared for use as a centrifuge tube and are therefore leakproof. - Chemically resistant to most acids bases and many common solvents.