Bead foam is an effective way to package many consumer products. The physical properties of the beads provides many advantages. Unique in its insulation qualities, this material has the ability to be safe from impact or heat. In addition beads also offer flexibility and strength. Another application is filler in concrete mixtures. With the right allotment, the end result is a substance that is solid and secure but also lightweight. Bead foam became common in many households in the 1960s with the development of the beanbag.