I use these when I go camping in my RV. I can see the contents, unload them, and then fold down the boxes to make room. They're extremely easy to fold and unfold. Easy to view the contents. Securely stackable. Other collapsible crates that I've tried fall down when it comes to lids: they're flimsy, get lost, and are constantly falling off. Or there aren't lids at all. The interlocking lids on these crates are built-in and fasten securely at each end. My only gripe is that I wish they would offer a smaller, 12" x 18" size, so I can fill a crate with heavier things, instead of filling these halfway, which wastes space.
