Midwest Solution Series Stackable Dog CrateThese were designed specifically to stack using interlocking legs. The interlocking legs securely lock the crates together making it a safe environment to allow better use of kennel and grooming space. It's made of durable materials and is easy to clean. Lastly, it has safe and secure slide bolt latches for rigidity and comes with a tough and easy to clean ABS plastic pan. Independent pan-stop allows pan removal with door closed. Please note each crate is sold separately as an individual unit, and not as a set.