Brand: Johns Manville | Model: AU395S. This 4-pack of Sound Control R-19 Unfaced Fiberglass Batt Insulation covers 384 square feet total (96 sq. ft. per pack). Sized at 16 x 96 inches to fit standard stud spacing, these batts are designed for superior sound attenuation in interior walls as well as thermal performance. Unfaced design works great between living spaces where a vapor barrier is not required. Condition is like new and in original packaging with no damage or missing pieces.