A quick learner from Little Valley NY says:
September 8, 2016
Child craft by smith dresser. This is the piece of plastic that holds the drawer in and keeps it from falling out when open. I need some new ones please as I have two of these dressers and many have this piece broken
Tom from SWISCO responded:
September 13, 2016
Thanks for posting. Take a look at our 32-030, I think this may be what you want. Let me know what you think!