Log into your Kickfurther account and click on "consignments" to access a list of the Co-Ops to which you have contributed. Each Co-Op link takes you to the "buyer pages" where there are communication boards to post questions and comments.
Please be polite :)
If the business does not get back to you within a reasonable amount of time (three business days), please feel free to email contact@kickfurther.com and the Kickfurther team will help you.