Patented double-clicking lock design 1st audible“click”ensures closure 2nd audible“click”achieves full 95kPa certification Available in two convenient sizes –20mL (10mL filled) neutral-buffered formalin;60mL (30mL filled) with wide mouth (53mm) opening neutral-buffered formalin Leak tested and independently 95kPa certified Avoid employee/patient exposure to hazardous chemicals Improve efficiency of specimen transport to the laboratory Economical bulk packaging with inner convenient transport packs help grow your Outreach Programs