Small Grass Tunnel 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. Small Grass Tunnel is woven of primarily black grass, measuring approximately 7-1/2-inch Long, 3-3/4-inch Wide and 3-3/4-inch High, ideal for a mouse, gerbil or hamster. B0089XY4TS