QUANTUM STORAGE SYSTEMSK-QSB101YL-10 10-Pack Plastic Shelf Bin Storage Containers, 11-5/8 inch x 4-1/8 inch x 4 inch, Yellow

I'm using these to organize frozen breast milk - works great! The bags are slightly too wide but works just fine at a slight angle. And these are about 80% cheaper than than the bins sold for this purpose. I'm also using these to organize toddler food pouches in the cupboard.

They do NOT have slot at the back to hang on a rack. Also, they do NOT stack; they nest, but why nest them! I could drill and mount to a wall... permanently like.

Great ability to maximize small space for storage.

Dividers simply fall out. I ended up drilling holes and inserting thin metal rods across the top of the dividers, which took hours, but worked.

These aren’t hanging shelves, they don’t even have a slot in the back to hang them. This was the only reason I bought them.

These are still the high quality smooth plastic like they "used to be". Akro-Mils went to cheap soft plastic a few years ago and a less complicated label slot in the front of the bin. They stain easily, are hard to clean, and don't hold their shape.These are still dirt/grease resistant and will clean well. Under a really heavy impact, these may crack where the Akro-Mils ones will bend.The HANGING in the description means that when pulled out the V groove in the top rear will hook on the shelf above and hang in place. These aren't Stack/Hang bins that will stack on each other and have a lip on the back to hang from special grids.

these are not hanging bins

These might seem expensive and unnecessary, but they sure do help keep your small stuff organized and easy to find. A label maker tops it all off nicely.