Key features

• •Laboratory Flasks: 3pcs 250ml erlenmeyer flask with a matching glass stopper. Vol.250ml / 8.45oz - 3.26in (83mm) x 5.51in (140mm). The specially equipped frosted glassware stopper fits the flask very well. It is store cleaner and hygienic than cork and rubber stoppers, easy to clean.
• •Safe Material: Type I requirements, Type 1 Class A 3.3 Borosilicate Glass, ASTM Specification E960. Heavy duty rim with smooth surface, wide stable base, narrow mouth, fadeless white graduation. High chemical durability and low thermal expansion. Microwavable and autoclavable.
• •Easy Use: Clear printed tick marks scale, precise measurement and ample labeling space makes it easy to measure liquids.The scientific thick conical flask reusable and easy to clean, and will not shatter easily. Ideal for repeated use in busy lab environment.
• •Widely Application: Bottles with lid can be used for professional scientific experiment and school classroom lab, also suitable for food container, candy storage, plant propagation, yeast culture, decanter. Party supplies for Christmas, Halloween, kids birthday, wedding, science themed party.
• •100% Service: As your trusted professional partner, we stand by the quality of our products. If you receive any broken ml measuring flask or have any problems in use, please contact us immediately. Your satisfaction is our priority!