Description These are 6 glass watch glasses with sizes of 75mm, 100mm and 150mm, two of each size, different sizes can meet your different needs. It is made of high-quality glass material, and after polishing process, it can be safely used by us. These practical glass watch glasses are widely used in laboratories. Features - Color: Transparent. - Material: Glass. - Size: About 15.00X15.00X2.50cm/5.89X5.89X0.98inch. - After careful polishing, the surface is smooth and burr-free, safe, practical and durable. - You will receive glass evaporating dishes with sizes of 70mm, 100mm and 150mm to meet your different needs. - It has a wide range of uses and can be used for the mixing of experimental liquids, the storage of samples and the lid of the beaker. - The compact size design is convenient for its storage, good quality and low price. - A good helper in the laboratory, making your experimental work easier. Package list: 2 x Watch Glasses in 150mm 2 x Watch Glasses in 100mm 2 x Watch Glasses in 75mm