I use my crates for work-in-progress projects, so I'm rotating their contents pretty often. The Dry Erase Labeling Plate makes it easy to keep things organized and up to date. These look way better than tape and easier to use.
Got these to make sure it was quick to identify what was in the crates from the side and without removing the lids. Fasteners are unobtrusive. Much better than tape on top.