Receive $2 savings on World's Best Cat Litter, any size
https://www.worldsbestcatlitter.com/...m_medium=green

For your convenience, here's a copy of the coupon. It expires September 30, 2017. During the availability of the coupon, for each new month, the expire date changes.
WBCL Canada exp 2017-09-30.pdf

WBCL offers a Money-Back Guarantee
If you are not completely satisfied with our product, return the bag and/or the original UPC code (proof of purchase) from the bag along with your store receipt to the point of purchase for a full refund in accordance with any applicable store policies.
Or, you may receive your refund by mailing the original UPC code from the bag and your store receipt (please include your name and full mailing address) to the following address within 90 days of purchase:

Customer Service
World's Best Cat Litter™
2905 North Highway 61
Muscatine IA 52761