Description The watch glasses are useful and excellent, suitable for chemistry classroom, laboratory, testing institution.Multi-functional application, it can be used as evaporating dish, also as beaker cover, or as loading carrier. High transparency design, easy to observe experimental results, simple and convenient to use the watch glasses. Features - Color:As Shown - Material:Glass - Size:7.50X7.50X0.50cm/2.95X2.95X0.20in - Can be used to do some evaporation of liquid work, reliable and excellent experiment watch glasses. - These watch glasses can be used for laboratory teaching tool, school laboratory tool, laboratory chemical experiment supply. - The watch glass is professional and excellent, can let the fluid surface area increased, accelerate evaporation, save time. - It is simple in design, but it's practical to use, which will give you good use experience. - High-grade material, flexibility and excellent durability, easy to use, for long service life.Package list: 10 x Watch Glasses