... non-toxic, when in the heat sealing process, does not produce toxic gases POF Shrink Film Characteristics of POF Performance unit standard ... Gloss% D2457 130 Features: shrink wrapping, the seal edges soft; non-toxic, when in the heat sealing process, does not produce ... not fat hard, not brittle, easily broken in transit. Shrink packaging, the tightening force will not change, protect the deformation ...