Feb 12, 2021 · Capacity of Each Bottle: 500 mL, permanent white enamel graduations from 100 mL to 400 mL, accurate scales Thick Glass: thick, tough, high quality, low coefficients of thermal expansion, resistant to thermal shock, high chemical resistance in corrosive enviroments GL45 Screw Cap: Blue GL45 screw cap, tight seal, drip-free, cap up to 140℃