Dynamat Superlite Bulk Kit 48sqft Sound Deadening 12 Sheets Light WeightDynamat DYN10648 Superlite Bulk Pak 48sq. ft 18"" x 32"" x 12 Sheets Car Sound Deadening Mat 30% Lighter. 30% Thinner Dynamat SuperLite is a high efficiency sound damping material used to stop noise and vibration in your automobile. It is the same sticky butyl rubber Constrain Layer Damper (CLD) as Dynamat Xtreme in a 30% thinner, and lighter form. Use Dynamat SuperLite when you need to quiet your car and get better sound, without adding too much