Facilitates the entry of diagnostic and therapeutic devices. Greaseless, water soluble, bacteriostatic, and will not harm rubber appliances or medical instruments. Contents remain sterile in unused, unopened packages.. There are 5 grams of petroleum jelly in each packet and there are 144 packets in a box (and four boxes in a case, for a total of 576).. . WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov