How much fill do you need please read last paragraph. Environmentally friendly, non-toxic, safe, no out gassing. Made from pre-consumer recycled raw materials.How much fill do i need. We would be more than happy to help you figure out how much fill you need for your project. Because bean bags differ in size from brand to brand the following information is required. Three dimensions: width x length x height. Round bean bags: diameter x height. This item is made of eco friendly polystyrene eps bead.