The only litter made from Whole-Kernel Corn.
Buy one bag of World's Best Cat Litter between 4/26/10 and 6/25/10.
Mail rebate form with UPC
Receive rebate of up to $12.99
I tried to eliminate the steps in the process where you have to enter personal info. If this link doesn't go directly to the rebate pdf form, go to www.getodorcontrol.com and click on the free litter link near the bottom of the page.