The wire is thinner than my old crate, which is also made of the black metal, but it is still sturdy. I used to have the really heavy silver steel crates but they are ugly and stronger than necessary. I guess if you have a dog you think might get out, you should use zip-ties all around and bungee the door when the dog is inside. The ... full review
Product Description: These premium quality Dkeli Metal Pet Crates are crafted using commercial-quality materials and superior manufacturing. They are built for long-lasting durability and security using an all-steel, high tensile-strength wire that is securely formed and welded into a tight mesh pattern. The crates feature multiple doors that lock easily with a slide-bolt latch. Finished with a durable black Electro-coat finish, these crates are rust, corrosion, and fade resistant even in extreme climates. To set-up, simply unbox and fold open; no tools are required. Each crate features a lightweight, slide-out tray made of durable ABS plastic. The tray features a lip around the perimeter and is held in place with a retaining bar making it easy to remove and clean without needing to open.