Why it's worth it
The FORTEM has rigid base plates behind every side panel, non-slip strips, adjustable straps and a detachable lid. It weighs about three pounds and folds down small, which makes it the easier one to live with if you take it in and out often.
This is the organizer most people picture when they think of a trunk organizer, and it earns that. Rigid plates reinforce every side panel, not just the floor, so it stands up on its own and stays square when you drop in a case of water. It's one of the most heavily reviewed organizers on Amazon, and owner feedback skews strongly positive on the same point: it doesn't feel flimsy.
The removable lid is the feature the top pick doesn't have. Flip it over the top and your gear is out of sight in a parking garage, and tall items are less likely to go sideways on a hard turn. Owners mention that you can cover the whole thing or just part of it, which is handy when one bay holds something tall. It's a small thing that changes how the organizer behaves on a long drive.
From our review of 7 collapsible trunk organizers, by Ben Carter, Tech Editor