Front facing easy access door with bolt latch. Removable bottom tray for easy cleanup. Can be used both indoors and outside. Made from metal. Charcoal color. Minimal assembly required. Iconic pets heavy duty pet play pen is the perfect crate for you dog. Can also be used for many other pets such as rabbits, hamsters, guinea pigs, kittens. This product is designed for use with pets where training is desired and can offer an easy way to manage your pet. Safety instructions: This playpen is intended for trained pets. Supervision is required. Remove any foreign object from the pet including collar, tags, and leads before placing it in the tube playpen to prevent possible entanglement. Do not leave your dog unattended for long periods of time. Cats and dogs that jump high are not recommended!