Style: White enamel graduations and labeling field, high durability, easy to read and mark, uniform wall thickness for heating evenly.Tips: They are not accurate measuring devices and give approximations only.Material: Made of 3.3 borosilicate glass which withstand repeated standard autoclave cycles of 121°C at 15 psi for 5 minutes, meet ASTM E960 (Standard Specification for Laboratory Glass Beakers). Application: Widely used in kitchen, reaction vessel of chemistry research, teaching aid, solution preparation, like essential oil, perfume etc.After-service: The product made of glass, there is possibility of damage during transportation. If it is damaged, please contact us, you can make a request of refund or replacement, in a word, we will solve it until you are satisfied.