This durable Erlenmeyer flask is designed for precise scientific measurements and experiments. The high borosilicate glass construction ensures it can handle rapid temperature changes without cracking. Its conical shape and narrow neck make it ideal for titration and other laboratory procedures that require careful handling of liquids. The flask is also easy to clean and maintain, ensuring long-term usability in any lab environment. Features -Color:Multi -Material:High borosilicate -Size:18.00X10.50X10.50cm/7.07X4.13X4.13in -Durable material: made from borosilicate glass, this flask is highly durable and can endure high temperatures, making it suitable for lab use -Convenient shape: the conical shape of the flask makes it easy to pour liquids without spilling, ensuring precise and clean experiments -Secure base: the triangular base design provides stability, preventing the flask from tipping over and ensuring working environment -Versatile capacity: the flask's moderate capacity makes it versatile for various laboratory experiments, accommodating different volumes of liquids -Userfriendly mouth: the flask's mouth is designed for easy cleaning and filling, making it convenient to use and maintain in the lab Package list: 5 Flasks ( 50ml+150ml+250ml+500ml+1L )