Prevue Pet Products Nature's Hideaway Small Grass Tunnel 1092 is a hand-woven grass activity center for your small animal. The sweet fragrance of 100% all natural grass materials comes through in this fun playtime accessory while satisfying your pet’s natural instinct to burrow, explore and nest. Our Small Grass Tunnel measures approximately 7 ½” Long, 3 ¾” Wide and 3 ¾” High, ideal for a mouse, gerbil or hamster.