Dippers leaking

Good day I'm an unhappy client I always use you products but this time the nappies are leaking I made a purchase at boxer protea glen on the 29th of September 2023 which they where on special it was two for 200 I am so very disappointed please assist as I'm sitting with two packs of diapers which are leaking when I check the expiring date the dippers are expired the manager told me to contact the manufacturer as they stock and they sell they don't make the products.