These are not the strong stiff flats, hence the cost, but they do work for a lot of things, for instance we use egg flats to feed baby chicks. Works way better than any chick feeder on the market. When babies first hatch they need access to feed NOT BEDDING! Put one of these down for every 10-25 chicks. Don’t put them on shavings until they know what feed is. And don’t give your babies cold water:/ Use these trays for the first week so they have plenty of access to feed, then wash them and reuse next hatch! Oh and the red ones attract them. They have no trouble jumping in for a bite! Don’t put them under the heat source, put them over on the cool side of your brooder to discourage them sleeping in them. They actually don’t poop in them very much.