Catit Design Senses Grass Garden Kit, Grass Refill ( 2-pack) (50777)

Catit Design Senses Grass Garden Kit Grass Refill. Includes grass seed and vermiculite (substrate) for growing cat grass. Grass is a natural source of fiber that aids cat's digestion and helps prevent hairball buildup. For use with Catit Design Senses Grass Garden Kit (Art. # 50755). Package of 2.