Premium Quality Jute Automotive Carpet Padding.20 oz. weights 20 oz. per square yard , and is 1/4" ( 0.25") thick.20 oz. is used, where people want a thin 1/4" carpet padding.27 oz. weights 27 oz. per square yard , and is 3/8" ( 0.38") thick.27 oz. is the most popular weight.40 oz. weights 40 oz. per square yard , and is 1/2" ( 0.50") thick.40 oz. is the best for reducing road noise.Width: 36"Minimize Vibration/Vehicle NoiseEasy to UseDurable, and Cost EffectiveCut With Scissors or a KnifeCan Be Handled Without GlovesContains No IrritantsGreat Automotive and Truck Carpet Padding