... form, and in a variety of colors, as well as natural, white and black.FeaturesChemically Cross-Linked Polyethylene Foam is ... thicker foam. With a smooth, pleasant feel combined with superior physical and chemical properties, cross-linked polyethylene foam is ... well, or does not absorb moisture.Cross linked polyethylene foamPolyethylene is a class of thermoplastics practically ubiquitous in consumer ...