Bella's blissful hemp pouch is filled with our "Ultimate Blend " of Silver Vine and all natural catnip, along with buckwheat hulls for a crinkly effect! Silver Vine is a fruit in the kiwi family. It has the same safe effect as catnip on cats, just more intense! It may also work with kitties that do not react to catnip. Fully biodegradable!Silver Vine Cat Toy; Strong, Safe and Durable Hemp Fabric; Silver Vine may work with cats insensitive to catnip; Fully Biodegradable; Provide Healthy exercise for cats