AmeliaBedelia
Crowing
You could buy some loose window screen cloth, fold it over the top, and use a bungee cord to hold it in place. Or some people cut a hole in the storage bin lid and then duct tape or bolt on hardware cloth over the hole and sbap on the lid. But that ruins the bin for other stuff later.
Whatever you do only needs to work for a week or two - then they will need a whole bigger container.
Whatever you do only needs to work for a week or two - then they will need a whole bigger container.