First, I'd like to note that this is the account holder's fiancé, not the name the review is under. I don't usually leave reviews but given the number of mixed reviews for this kind of product on Amazon across the board, I thought I would.I bought this for my household's awful pile of pots, pans, and skillets as a test run to see if this would be something we might desire for our own household in the future. I reviewed a ton of these organizers on Amazon and noticed a trend in poor stability for all of the dual-vertical/horizontal organizers. Of all the organizers that could be utilized in vertical orientation (and both sides), this was the most stable though still not without notable wobble. I needed an organizer that could stand on its own as I do not have a cabinet to offer further support or prevent objects from falling off. After reading reviews, I figured out that the stability issues are with wobble that is perpendicular to the main supporting frame i.e. remove a pot and the whole thing supposedly shakes left/right a little.One thing that I'd noticed with a couple other organizers was the use of S hooks, so I wanted to use those to help create support between racks. However, I couldn't find any black S hooks with ball ends on both tips, so instead I bought one pack of FOMMEN Hook And Loop Straps 10 Pack 50 inch Straps Reusable Cable Strap, Management Adjustable Multipurpose Hook And Loop Securing Straps. I'm glad I did. S hooks would not have worked. My original plan was to wave these through the looped ends of the racks (down and across from each other to form triangular support, not directly below) as well as through the main frame where each rack inserted. An S hook would have been far too large to fit through the main frame part.However, I found that this rack seems a lot more stable than it is given credit for as a vertical organizer. It did not need the additional weaving beyond the rack support at the main supporting metal. It does shift a little with the removal of a LARGE pot or skillet, most notably the stock pots or iron casts. That makes complete sense. If I set the iron casts on the kitchen table, the entire table shakes a little too. It would be very hard to make a standalone organizer that has 100% stability given the weight of iron casts. With the stock pots still somewhat near the bottom, again, it makes sense that with the removal of such heavy objects the frame is going to shift a little in response to the weight change. However, if you're planning to put heavy objects such as these on higher racks, I would definitely recommend looking into strapping racks together to help combat the leaning that people have mentioned in reviews. Something this tall certainly involves a bit of a balancing act when we're talking about putting things like pots and pans on it.I think that the straps through the metal frame where each rack inserted was a good idea though. It gives further integrity to them. There is no chance of them popping out. Plus, the straps came in handy when I had an extra rack leftover. It was a little ingenious what I did with it if I do say so myself. I "inserted" it at the top so that it sat right against the center piece. Because of the tension, it pops right out. However, with a strap wrapped around it such that the wire can't move outward away from the metal, it's extremely stable and I can fit an additional large lid on it. I have the lid sitting in the frame's opening at the top. Its handle is in the rack and its bottom sits against the metal frame's horizontal piece. The rack sinks a little under pressure applied from your hands, but only to an extent. I attribute that to the fact that I had wrapped the rack piece that would go into the frame with the strap, and then weaved the strap through the strapping that goes down the body of the vertical metal frame. It then adhered to the available Velcro along the vertical metal, above the nearest rack's insertion point, hence the rack's inability to sink very far. However, it's not of much concern since it's not holding a lot of weight.Even though there's a decent amount of strapping going on, the organizer still looks very nice. I tucked the extra strapping under the frame. These images are of when I first put this together. I eventually took it all off and moved it to where I wanted it and then restocked it with the pots, pans, and skillets. The front-facing side was chosen based on its cleanliness with the strapping. The extra wrapping (image 4 if it uploads the way I think it will) was placed facing the wall. The only thing about all this extra support is that it makes adjusting racks impossible without undoing it all. But I don't think my household plans on changing the racks much, and now the organizer has increased support.As for the usual evaluations of the product: yes, very easy to put together. Mine came a little scuffed in some places, but it was fine. The straps actually ended up covering it up. The sturdiness is "sturdy enough." It shifts a bit, yes. But that is to be expected if you've got heavy things on it like stock pots and iron casts. Those would belong on the bottom. Don't forget that you can nest things! It's not too much an additional inconvenience to slide the fully nested objects out and then remove what you need and slide the nested objects back in.This was certainly large. The 21.5" pertains to the width of a the STANDING vertical organizer with racks on BOTH sides, so in the orientation of the images I've included. That's almost 2 feet wide (~1 ft, 9.5 in). I would argue it IS 2 feet wide if not longer when you account for any handles that might stick out from the rack in that direction (as opposed to perpendicular to the racks and out toward you). But think about it: you need a large organizer to hold a large number of large cookware.This certainly helped my household's messy array of pots, pans, and skillets. My mother loved it and I love the cleanliness that the organizer provides the kitchen. It's of good quality and it's even greater with the adjustments I'd made. I'm very pleased with it and I may very well add it to the things needed for my fiancé's and my eventual house.