Polyethylene Sheet, Material Polyethylene, Shape Sheet, Grade Standard, Length 4 ft, Width 4 ft, Thickness 3/4 in, Backing Type Plain, Cell Type Closed Cell, Adhesive Type Plain Backing, Number of Adhesive Sides 0, Color Yellow, Density 4 lb/cu ft, Maximum Temperature 225 Degrees F, Minimum Temperature -40 Degrees F, Tensile Strength 85 psi, Texture Smooth, Firmness @ 25 Percent Deflection 14 psi, Material Skin None, Flexibility Poor, Standards FMVSS 302, Chemical Resistance Good