The Habitrail Ovo Cage Suite will give your hamster a great veiw through the see-through plastic dome roof. The four piece roof of the Habitrail Ovo Cage Suite has 2 ventilitated retractable dome doors for access and perforated panels in the roof aid air flow. To stop bedding and waste getting into your hamsters food the food dish in the Habitrail Ovo Cage Suite is raised above the floor. included in the Habitrail Ovo Cage Suite box is the main habitat a water bottle and food dish 3 windows and 11 lock connector along with an exercise wheel cozy hideaway den transport unit 2-10" trails 3 elbows 1 tee and 1 cube. Fully combinable with all Habitrail Ovo pieces to create a play and living area as big as your imagination for your hamster.