CORN-N-STRAW TUNNEL, A natural hideout made from a crunchy fiber filled combo of corn, straw and cellulose, Totally safe to chew and fun to run through, perfect for pet rats, chinchillas and guinea pigs, , UPC : 791611039205, Size : SMALL, Length : 8, 5, Width : 4, Height : 4, Product Type : Small Animal - Accessories / Hideaways, Shipping Dimensions: 8, 5x4x4 SKU: BC016243