POUCH, SELF SEAL ECON 12X18 ( 200/BX 5BX/CS) McKesson Autoclave Pouches - Self Sealing 12 X 18 Inch For use with Steam and Ethylene Oxide (EO) Sterilizers They are self-sealing, which makes them easy to open and close No autoclave tape necessary Internal and external chemical indicators Lead free ink Not Made with Natural Rubber Latex. 200 Pouches Per Box, 5 Boxes Per Case