Metro Paws is thrilled to announce Metro Bliss®, a line of products infused with our new Silvervine Catnip sourced from the mountains of Asia to bring a state of bliss to your cat. Each of the Metro Bliss® products has been cat-tested and cat-approved, even earning two paws up from kitties who typically do not respond to catnip. Metro Bliss Nip® Each vial of Metro Bliss Nip® contains .4oz of organic Silvervine catnip to offer blissful play, provide a calming aid, and encourage positive training.