We Have A 2 week Old Who Is On A Special formula made By Similac And has not been able to drink Anything Other Then That.I Have $31.00 Dollars Worth of Enfamil checks I'd be willing to trade for $31.00 Worth of Similac checks the Kind Good for Any Kind Of Similac formula.Or I'd Be willing to Trade How Every Much Worth Of My Enfamil checks for How ever Many Dollar worth Of Similac checks you May have.Also Please If Anyone Gets similac checks But Don't use Them Would you Please Send Them to Me I would Be willing to send you A self Addressed Stamped envelope.