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 all natural grass materials comes through in this fun playtime accessory while satisfying your petinchs natural instinct to burrow, explore and nest. Our Small Grass Tunnel measures approximately 7 .5 inches Long, 3 .75 inches Wide and 3 .75 inches High, ideal for a mouse, gerbil or hamster.