The cage consists of a removable tray and four rolling casters that makes cleaning and transferring easily. Double-door design with one in front and the other on top allow easy access and feeding to our pet. Each doors have double latches to protect our pet from accidental escaping. Specification: Name: Large dog pet fenceMaterial:Steel Color:Color: white, blue, blackSize:61x45x58cm（Suitable for pets up to 12 pounds）78x54x70cm（Suitable for pets within 30 catties）95x65x85cm（Suitable for pets under 60 catties）Suitable for outdoor：Let dogs close to the nature.Suitable for indoor：Beautiful, safe and comfortable.Suitable for the yard：Enjoy leisure time.-SMALL FRONT DOORThe small front door is easy to open, close, which makes feeding easier.-REMOVABLE TRAYSRemovable (slide-out) trays helps you to cleaning up accidents or spill easy.-360° ROTATING WHEELS360° rotated metal locking wheels can help you to move crate anywhere easily and lock the wheels to keep the crate in place.include:Pet cage*1