There are no binding contracts at Grass4Paws and you may cancel your subscription service at any time without penalty by emailing us at hello@grass4paws.com. However, due to the nature of the living product (the grass your dogs will love) we cannot accept returns or issue refunds or credits on any delivered products. You will also receive any Grass4Paws patch(es) you have already paid for prior to cancellation. If you have any further questions or if we may assist in any way please contact us at hello@grass4paws.com. We love hearing from our customers and appreciate feedback.