fullfill gap fills are made up of expanded foam plastic material. they are resistant to fungus, do not readily absorb moisture & have very good heat & insulation properties. fullfill gap fills, being light weight, are most economical option for filling gaps in any packing box thereby minimizing shipping cost. its interlocking structure helps in keeping the product intact in its place, thus resisting shock impact & avoiding any breakage to the product. fullfill gap fills are most suitable for packing delicate items viz.