Hello Subscription » Subscription Box Coupons & Deals » FREE Cat Mat with Pet Treater Cat Pack Subscription FREE Cat Mat with Pet Treater Cat Pack Subscription Make the first comment!By Hello Subscription. Posted January 29, 2018. Hello Subscription independently researches and reviews the best subscriptions and products. Things you buy through our links may earn us a commission. Save for LaterGo to commentsNotification New Pet Treater Cat Pack subscribers can use code PT-CATMAT to get a FREE cat mat with their first box.