It's certainly not pretty to look at inside-- dingy, full of sad, warehouse of food things. However, you can buy a lot in bulk, and prices were fairly nice.
They have everything you'd expect of a grocery store, it's just the bare bones of aesthetic though. I was frankly surprised to find an okay produce section in the refrigerated area in back--- all sorts of veggies, then cured meats, and some smaller snacks like pecorino peppers and cheese. There was also a semi impressive bread selection and butcher/deli section. Most of the aisles are canned goods and packaged items, obviously. Spent a good deal of time scoping out the sweets and partook in the 'by the gram' chocolate counter. They also have the Collect & Go station so you can pick up produce and groceries as needed.
Pretty much if you're looking to bulk buy packaged food with a few essential fresh items here and there than Colruyt is a good option. If you prefer more fresher daily options and pre-made meal choices then probably another store would be more in line. read more