Three Yeowww! Catnip filled balls on one header card are sure to be a hit. My Cats Balls will send kitty to new heights of pleasure the minute they start to play with them. Each ball is 2" in diameter and stuffed full of Yeowww! organically grown catnip. All Yeowww! Catnip toys are 100% stuffed with USA organically grown catnip, made with durable cotton twill fabric, colored with non-bleed vegetable based dyes and are made in the USA.