3 Tiers Wooden Big Hamster Cage Mice and Rat Habitat, Exercise Play House Pen with Opening Roof, Pull-out Tray, Hut and RampsHOME FOR SMALL ANIMALS: Perfect home for small pets to live and exercise in this multilevel hamster house. It is also suitable for guinea pigs, and other small animals BUILT TO LAST: This hamster cage has a robust wire net and sustainable wood structure to keep your pets inside and feel secure. HINGED ROOF: This cage for hamster features a large lockable opening door for easy access, the top roof angle is adjustable from 30 to 60 degrees. EASY CLEAN