About this item: 
Product Package: 4 sizes transparent plastic cylinders(10, 25, 50, 100ml), 5 sizes transparent plastic beakers( 50, 100, 250, 500, 1000 ml), 5 Pipettes(3 ml) and 1 test tube brush( METRIC SYSTEM). 
High-Quality Material: made of eco-friendly food-grade plastic, durable, non-toxic, and odorless. 
Standard Capacity: clear scale, easier to identify. Standard scale line, for accurate measurement. 
3ml Pipette: excellent for transferring small amounts of liquids 
Hexagonal base: hexagonal base design, for more stable placement, reducing measurement error.