The item is a pack of 4pcs graduated measuring cylinders including one 10ml, one 25ml, one 50ml and one 100ml, which is mainly made of durable food-grade hard plastic material for safe to use, and features wide brim and a tapered pour spout for easy filling and pouring. The non-wetting inner surface concave meniscuses are eliminated, providing accurate measurements. Features - Color: transparent. - Material: food-grade polypropylene plastic. - and Transparent Plastic Graduated Measuring Cylinder. - Plastic graduated cylinder for laboratory test. - Wide rim and a tapered pour spout for easy filling and pouring. - The non-wetting interior surface eliminates concave menisci, providing more accurate measurements. - The wide pentagonal shaped base provides stability and makes the cylinder roll-resistant. - The heavy-duty plastic withstands repeated autoclaving. - Switching from glass cylinders to Globe's plastic equivalents will greatly reduce breakage and the potential for injury. - Chemically resistant to most acids, bases and many common solvents.Packing list4 * Transparent Measuring Graduated Cylinders