Hanging Rectangular Tunnel Small Animal Cage Accessories This cozy tunnel and lookout will quickly become a favourite spot for snuggling, grooming, and people-watching. Perfect for 2 chinchillas. Easy to install in the cage. Shelves and platforms are made in UK. Fittings included. Approx measurements: Length: 8-3/4" Inner width: 11-3/4" Inner height: 5-3/4" Overall width: 13" Overall height: 7-1/8" If you have a specific size please message me for a quote! Check out my other items!