Richell Mobile Critter Condo, Wire top with slide-lock latch, Casters And Trays. Brown Color. Bottom storage shelf holds pet food, treats, pads and more. The bottom shelf is ideal for storing necessities for your pet. The Richell Mobile Critter Condo offers a high-end living space for your small pets. Pen height gives you easy access when changing pads or bedding. Wire top with slide-lock latch provides additional pet security. Pen includes two removable, washable trays.