COSMIC PET PRODUCTS - 1 OZ CUP CATNIP. Cosmic brand catnip is the result of years of research into the culture and processing of this herb. It is fresher, more potent more aromatic and longer lasting than other brands. It is handled with profound understanding of of proper practice in curing which allows our catnip to realize its full potential. Then through advances in processing, we spartate the stems from the leaves and the flowers. Cosmic brand catnip is packaged in reclosable airtight plastic bags or cups to retain its quality.