Description Made of eco-friendly glass material, , safe and odorless. Standard capacity: clear scale, easier to identify for accurate measurement. No bubbles, no burrs, smooth and rounded. More convenient to use for students in school when doing experiments in chemistry class. Features - Color: Transparent. - Material: Glass. - Pacaage Size: 30x28x12cm/ 11.81x11.02x4.72 inch. - S Size Capacity: 50ml. - M Size Capacity: 150ml. - L Size Capacity: 250ml. - Made of eco-friendly glass material, , safe and odorless. - Standard capacity: clear scale, easier to identify for accurate measurement. - Excellent product quality, with quality assurance. No bubbles, no burrs, smooth and rounded. - More convenient to use for students in school when doing experiments in chemistry class. - The is widely used in organic chemistry, in a distillation or vacuum distillation apparatus, etc. Made of eco-friendly glass material, , safe and odorless. Standard capacity: clear scale, easier to identify for accurate measurement. Excellent product quality, with quality assurance. No bubbles, no burrs, smooth and rounded. More convenient to use for students in school when doing experiments in chemistry class. The is widely used in organic chemistry, in a distillation or vacuum distillation apparatus, etc.