The Midwest iCrate is a folding wire crate available in 7 sizes suitable for dogs anywhere from 1 - 110 lbs.
Cons: The see-through sides can be hard for reactive dogs, making a cover necessary (which negates the air-flow feature). Although you can hose them off, dog hair and dirt can get stuck into cross points of the wires, which is almost impossible to clean out. Most of them will also rust after a time. And, even though they fold flat, they are the heaviest of the crate choices.
Metal or wire crates, are used a lot by show dog people. Many see them as the “best choice,” a mix between the best features of the soft-sided and the plastic.
Dog Crates: Wire Crates for Small or Large Dogs | PetSmart
Top Paw® Double Door Wire Dog Crate
These homes fold up “suitcase style” for easy transport and storage. All panels are connected and set up within seconds! They are preferred by those who take their dogs with them when travelling. Fold and carry crates are wire mesh construction. No tools are required to assemble these crates. They are perfect for the dog owner who wants a dog crate that is portable, but also very tough.A wire crate is well-suited for dogs with longer coats or if you live in a southern climate. Because the crate is completely open there’s plenty of air movement, which allows your puppy or dog to stay cool.A crate is probably one of the first purchases you’ll make after adopting a new puppy. Not only does a crate expedite the house training process, it provides your dog someplace safe to call his own. Below you’ll find the pros and cons of a wire dog crate, one of the many types of crates available.A wire crate allows your dog to see what’s going on around him, which can reduce feelings of isolation or separation. This may be a disadvantage depending on your particular dog, as explained below.Wire dog crates come in a variety of sizes and most offer divider panels. If you’re shopping for a puppy, you can buy a larger crate than he’s needs so he can still use it when he reaches his adult size. Considering a crate can be one of the more expensive items you’ll buy for your dog, this can save you money in the long run.You can find many wire crates with a slid-out tray underneath to catch accidents, and the wire also allows odors to escape.You should keep your dog’s crate in an area near people traffic so he feels he’s part of the pack. However, if your dog has a tendency to cry or whine while in the crate, a wire crate may be part of the problem. The advantage of allowing your dog to see what’s going on around him may create stress and feelings of separation because he can’t join in the fun. This can lead to whining and barking. A crate cover may help at the expense of reduced air circulation. Also, a chew toy or some treats are useful to keep your puppy or dog occupied while in his crate. A busy dog is a quiet dog.