Please see this link, with pics attached and freebies too! thanks!!
http://www.mummysg.com/forums/f103/want-sell-medela-supplemental-nursing-system-bnib-free-nipple-shields-99178/
http://www.mummysg.com/forums/f103/want-sell-medela-supplemental-nursing-system-bnib-free-nipple-shields-99178/