Super Pet Critter Trail Burrowing Maze Accessory Super Protect antimicrobial technology is built into all plastic surfaces to provide a healthier, cleaner home for your pet. Two expandability port for easy connectivity with other Critter trail habitats and accessories Two Bubble Plugs are included for securing the ports Handy petting zone compartment is built in to the top and removes for use as a pet carrier carrier is 11-1/2-inch length by 4-3/4-inch width by 3-inch height and has a swing up, built on handle Clear flip up top door provides easy access to your pet Sliding side locks allows for maze to be separated for easy access and cleaning Sample of burrowing material is included so you can use your maze immediately Super Protect antimicrobial technology is built into all plastic surfaces to provide a healthier, cleaner home for your pet. Two expandability port for easy connectivity with other Critter trail habitats and accessories; Two Bubble Plugs are included for securing the ports Handy petting zone compartment is built-in to the top and removes for use as a pet carrier; Sliding side locks allows for maze to be separated for easy access and cleaning Sample of burrowing material is included so you can use your maze immediately