DescriptionCrystallizing dishes, made of borosilicate glass, are an glass for laboratory use and are temperature and chemical resistant. Reusable borosilicate glass dishes with heavy duty rims for storage and crystallization, manufactured with heavy walls made possible by the glass having a low coefficient of expansion.Features- Color: Transparent. - Material: Borosilicate glass. - Size: 6 x 6 x 4 cm/2.36 x 2.36 x 1.57 inch. - Each crystallizing dish is made of glass for long lasting use.- With spout, heat-resistant and thickened glass for convenient and safe for laboratory use. - Suitable used for laboratory, school, home, and etc. Very practical. - Large surface area, enlarge heating surface and evaporation surface. - High transparency design make you can see the thing state clearly.