This offer is valid Thursday, September 20 to Wednesday, September 26, 2018 online at rona.ca (for participating stores ) and in participating stores . Consumers who purchase one pack of 10 compostable garden bags get the 2nd one at 50% off (before taxes, and on the same invoice). Discount offer applies to lowest priced product at regular price, before taxes. Only purchases of products at regular price paid by cash, debit or credit card are eligible. RONA reserves the right to limit quantities of products purchased. While stocks last. Special order products, RONAdvantages incentives, purchases made with in-store accounts or purchases made by clients with a specific contractual agreement executed with RONA are not eligible for this offer. Does not apply to previous purchases and layaways. Not convertible into cash. Cannot be combined with any other offer. Certain conditions apply. Details in participating stores .