Kitting Sheet, Crosslink Foam, Material Polyethylene, Thickness 3/4 In., Width 24 In., Length 48 In., Finish Smooth Cellular, Color Yellow, Backing Type PSA, Temp. Range (F) -100 Degrees to 180 Degrees , Thickness Tolerance +/- 0.063 In., Width Tolerance +/- 0.188 In., Length Tolerance +/- 0.188 In., Tensile Strength (PSI) 70 to 100, Firmness @ 25 Percent Deflection (PSI) 40 to 50, Stretch Limit 200 Percent to 300 Percent, Density 4 lb./cu. ft., Standards MVSS302