Tank Topper Aquarium Cage for hamsters, Rat, Mice & Gerbils

Our Aquarium cage tank topper is designed to sit right on top of your 10-gallon, 20-gallon, 20-gallon long, or 40-gallon aquarium. It has a floor opening with a ramp leading down into your aquarium. There is also a ramp and balcony in the cage topper to give your critter 3 levels to live and play. This topper has a flip-top lid that allows for your access into the cage. The topper has a 2" lip that will slide down over the top of your existing aquarium. This cage is for Gerbils, Guinea Pigs, Hamsters, Hedgehogs, and Rats only. It is available in multiple finishes and colors: Galvanized, and powder-coated  Convenient, fully assembled design. No assembly is needed. Just place it atop your tank Dimensions:10 Gallon: 20.5" W x 10.5" D x 18" H20 Gallon: 24.5" W x 12.5" D x 18" H20 Gallon Long: 30.5" W x 12.5" D x 18" H40 Gallon: 36.5" W x 19" D x 18" H Materials:Floors/Ramps: 1/2" x 1/2" Galvanized Wire MeshBody/Lid: 1/2" x 1" Galvanized Wire Mesh Shipping weight:10 Gallon: 9 Lbs20 Gallon