I went to a review course for the IBCLC exam with BSC and they said the best containers now are glass(goes around comes around), yet Lawrence says it is rigid plastic. what would be the best answer, Jan, if you are on the net, I think you said glass but my colleague who is also studying asked to clarify the answer for the exam. TIA, Ellen Mahony *********************************************** The LACTNET mailing list is powered by L-Soft's renowned LISTSERV(R) list management software together with L-Soft's LSMTP(TM) mailer for lightning fast mail delivery. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html