From the Field Shelby the Refillable Hemp Mouse - made of hemp fabric, filled with fragrant, potent organic catnip. Instead of a tail, the end of the body is can be opened and closed for refilling the mouse as needed.

One of a number of "earth-friendly pet products" by From the Field, features hemp - a renewable resource that is biodegradable, and uses food colorant for Shelby's "face".
Price is for one mouse.