Labmate Vacuum Flask are crafted from borosilicate glass for high resistance to thermal shock, breakage. They feature narrow necks to reduce evaporation and wide necks for easier pouring during experiments. They are compatible with heating devices such as Bunsen burners and hot plates. They have graduated volume markings for precise measurements and adapters to maintain experimental integrity. Our Flask are idle for comprehensive heating, distillation, accurate mixing, and facilitating chemical reactions.