Petlinks? Catnip Caverns? set of 3 Catnip Infused Paper Bags are irresistible to cats because they combine the allure of a rustling hideaway with stimulating catnip. We?ve treated the surface of the paper inside the bag so catnip scent is released with every touch just like a scratch 'n sniff sticker! Includes three festive catnip infused bags per package. The paper bags are made with recycled material