All Tins and Tea Mates have a 180 day freshness pledge in the original sealed packaging. With our Gourmet Brownie we guarantee a 75 day life in the same sealed package. We use a “High Barrier” FDA approved bag for increased product freshness in all of our bagged products. Our tins are lined with a baking parchment paper and then sealed with a specific freshness tape. IF FOR ANY REASON YOU ARE NOT SATISFIED WITH OUR PRODUCTS WE WILL KINDLY REFUND YOUR PURCHASE +SHIPPING IN FULL.