Description This is a laboratory boiling flask, manufactured with high grade glass material, ensure its durability and practicability, so that it can serve you for a long time. It is a laboratory glassware that is convenient and easy-operation. It is perfect for laboratory, chemistry room, school, hospital and more. Features - Color:As shown. - Material:Glass. - Size: About15.00X8.00X8.00cm/ 5.89X3.14X3.14inch. -Capacity: 250ml. -Made of high-quality and environmental-friendly material, durable and practical for long time use. - Suitable for beginners or professional use, easy to wash and maintain. - Transparent bottle body design makes it easy to observe the change and residual of inner liquid. - Suitable for students and teachers when they are doing experiments in chemistry class. - Compact size and light weight, easy for you to store and carry. Package list: 2 x flat bottom flasks Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.