• Set of glass measuring cylinders consisting of 5 pieces: 5 ml, 10 ml, 25 ml, 50 ml, and 100 ml, ideal for meeting different laboratory measurement needs. • Includes 3 glass droppers of different sizes, 2 stirring rods, and 3 cleaning brushes to keep the cylinders and droppers in optimal condition. • Made of high-quality borosilicate glass, they withstand temperatures up to 800 °C, have low thermal expansion, and high chemical resistance. • Durable material, not easily broken, reusable, environmentally friendly, and easy to clean. • All cylinders feature clear graduated scales for precise and reliable measurements. • Wide rim and pouring spout make it easy to use and pour liquids, even for beginner users. • Perfect for professional laboratories and school science experiments thanks to their robustness and ease of use.