2 Pack of Charcoal 2 Inch Studio Acoustic Foam She Model # SA-FMDM2-Charcoal (2 Pack) Pair of Charcoal 2 Inch Studio Acoustic Foam Sheets Reduce echo and standing waves in your recording studio, practice room, or live venue Dimensions: 2" x 12" x 12" each Weight: 0.13 lbs each