Usage Tips:COMPLETE MEASUREMENT KIT - The glass set include 5 measuring cylinders, 3 droppers, 2 brushes and 1 stirring rods.& HEAT - The lab-quality borosilicate glass cylinders are heat to you can carry out your experiments without risk of damage.EASY TO USE & CLEAR - Each cylinder has a wide rim and a pouring spout making it easy to use even for children. 2 sizes brushes for cleaning cylinders of different sizes.CLEAR SCALE - The clear markings on the sides are easy to read, making the measuring cylinder set Perfect for any scenario.Perfect FOR EXPERIMENTS - The measuring cylinders are Perfect for a wide range of settings, including professional laboratories, and school science experiments.Colour:Transparent colorMaterial:glassPackage Contents:5 * measuring cylinders3 * droppers2 * brushes1 * stirring rodsOnly the above package content, other products are not included.Note: Light 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.