Prevue pet products nature's hideaway medium grass hut 1097 is a hand-woven grass activity center for your small animal. the sweet fragrance of 100-percent all natural grass materials comes through in this fun playtime accessory while satisfying your pet's natural instinct to burrow, explore and nest. our medium grass hut is woven of primarily sisal tassel, measuring approximately 11-inch long, 9-inch wide and 6-inch high, ideal for a chinchilla or guinea pig.